Crazy summer, because of the water, brings us a moment of refreshing and pleasant, water and digital products seem to be out of the ordinary, especially portable speaker products due to the traditional structure of the limitations in the waterproof performance of the disadvantages can not be free in the pool Play with peace of mind.

Today's Bluetooth speakers are following the principle of mobile devices, as long as your phone can reach the scene where the Bluetooth speaker is used. Of course, the mobile phone will gradually carry power because of your unbridled entertainment. Mobile power, waterproof shell? Or a JBL Charge 3.

As the third generation of the Charge series, JBL Charge 3 features waterproof, charging and JBL Connect functions. This allows a Bluetooth speaker to have a wide range of applications, allowing you to place Bluetooth speakers on the pool or even in the pool to play music. JBL Charge iconic bucket with a pair of bass passive diaphragm, the new five kinds of bright colors to meet your personality.

JBL Charge 3 box uses JBL family style, multi-color and light luxury gradually become JBL's product genes, the development of the third generation product JBL in the details of the change is not small, the new Bluetooth 4.1 protocol, 20 hours of continuous playback time , IPX7 waterproof grade, conference noise reduction microphone and multi-speaker connection function, so that you can let it accompanied anywhere.

The JBL Charge 3 has IPX7 waterproof rating. The surface material is made of the same high-profile wool waterproof material as Xtreme, providing amazing waterproof performance. Unlike the previous Charge 2 and Charge 2+ products, the Charge 3 uses no borders. One-piece material design, better feel, but also conducive to better penetration of the sound.

The JBL Charge 3 has a built-in 6000mAh battery, and its back interface is sealed with a waterproof cover to protect the internal 3.5 audio cable, Micro USB charging cable and the USB interface. The top button also adopts a family design, Bluetooth connection, volume +/-, Power and JBL Connect buttons, large raised buttons are very easy to use and identify.

The JBL Connect app is designed to create a unique unlimited eco music system for users with more than two JBL Connect devices. The multi-channel audio channel can be easily implemented through the "JBL Connect" application that is freely downloaded from the Apple Store or the Google Play Marketplace. And more live music performance.

JBL Connect application

After opening the JBL Connect app, the software will automatically search for related JBL Connect devices via Bluetooth. We will use Pulse 2 as an example. You can use the JBL Connect user to rename the device, theme light effect, dynamic light effect selection, and software. Updates and other basic functions.

After connecting two JBL Connect devices at the same time, the user can confirm the specific device with a simple touch, and can switch between party mode and stereo mode, in other words, the user can select two simultaneous synchronization expansion through the JBL Connect application. Volume or the ability to achieve left and right stereo channels, and all this requires only one JBL Connect button.

JBL Charge 3 can be connected to audio sources via Bluetooth and AUX In. In the audition environment, we use the iPad Mini, iPhone 6, and Samsung S4 for wireless links, and the iPod Classic for cable. The main subjective listening experience is wireless access. The iPhone 6 is the main, because I do not have two JBL Charge 3, so we are based on a separate Charge 3.

JBL Charge 3 has good outdoor features to meet the needs of many scenes. In terms of subjective listening tests, we are still in a quiet room of 25 square meters and open outdoor, and we choose different types of music to test the track. Charge 3's ability to control different musical styles. In the indoor environment, the JBL Charge 3 needs only 55% of the volume, while the outdoor needs to adjust the volume to 70%. The volume can cover almost any position within 150 meters. Extremely heavy The wide sound field and its small cavity have always been the characteristics of JBL Charge.

Due to the structure of the chamber and the placement of the unit, the JBL Charge 3 can bring a wider sound field. When the volume is increased, the speakers with poor quality will have problems such as breakage and distortion. The JBL Charge 3 uses an integrated cavity to match. The mature pronunciation unit tunes, providing sound that is thick and undistorted. The author repeats the audition on multiple platforms and wireless Bluetooth or 3.5 audio lines. The overall performance is very stable, and there will not be any changes in the sound due to differences in platform and access methods.

If you think of Charge 3 as a rechargeable speaker, you're wrong. Charge 3 is targeted by JBL sound engineers for targeted unit adjustment. It is clean and dynamic in sound performance. It can perform the detailed performance of songs in a musical performance, whether it is a studio-like pop song or full of big ones. Dynamic live music, Charge 3 can better show the characteristics of music. In terms of film sound effects, it has a good performance especially in the construction of some dynamic streets and indoor complex environment sound effects.

The life of digital devices has always been a pain point for the entire industry. Digital products with higher added value have become the trend of development. Since the birth of the Charge Series, JBL has ensured the focus of its voice and brought users the most practical charging functions. When you are outdoors with Charge, you don't need to carry your mobile power with you.

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JBL's patented noise and echo cancellation technology also applies to Charge 3 products. It can bring professional conference-grade noise reduction ambient sound effects to your temporary conference call. Don't forget to give your mobile phone at the same time as the conference. Charge it.

JBL Charge 2+ waterproof Bluetooth speaker evaluation click

The compact size and impressive sound have become the consensus of consumers for the JBL portable Bluetooth speaker, and this consensus was established with JBL's rich Bluetooth speaker combination and rich practical application features in the same brand of products in the Share The Me function combines a single speaker into your stereo or surround speakers in a limitless way, all with a single button activation.

Music sharing is gradually becoming a new way to socialize. Whether it is online social software or offline party, people need to express their taste and personality through diversified social channels. Music is very intuitive and people A new and easily accepted form, and the outstanding sound and long-lasting life of JBL Charge 2+ are enough to satisfy all the elements needed for social music.

JBL Charge II portable Bluetooth audio evaluation click

With more than 300 million smart phone shipments worldwide, mobile devices for smart devices cannot meet users' requirements for high-quality sound effects because of the limited size of mobile devices. Suddenly, the portable Bluetooth sound suddenly broke out in the mobile device market in 2001. Growth has become the preferred mobile entertainment choice.

JBL Charge II Portable Bluetooth Speaker

The market has a wealth of Bluetooth audio products, in the subdivision of portable Bluetooth audio market users in the purchase of Bluetooth audio, in addition to sound quality is more value is the passive battery life, portable Bluetooth audio to achieve the sound quality and life between Balance requires very solid craftsmanship and R&D capabilities for sound effects. The JBL Charge II is a good interpretation of the perfect balance between sound quality and endurance.

Backlight key

The JBL Charge II is an upgraded version of its predecessor, the Charge, which adds a pair of low-frequency units on both sides while ensuring that a 4-hour charge can be used for an amazing life of 1 II hours. In addition, as the name suggests, the Charge II also provides mobile devices. The emergency charging function and diversified functions also make Charge II closer to the actual use of the user.

Flanged Ground Screw For Solar Mounting

Flanged Ground Screw for solar energy mounting system .different size flange ( head plate ) ,usualy flange size is 220*8mm ,200*8mm ,with square flange,round flange,hexagon flange ,triangle flange .

Helix flanged ground screw made of carbon steel Q235 ,standard of DIN EN ISO 1461-1999 .

Flange Ground screw parameter are as below :

Ground screw pipe diameter :60mm,68mm,76mm,89mm,102mm,114mm

Ground Screw pipe thickness :2.5mm,2.75mm,3.00mm,3.75mm,4.00mm,4.5mm

Ground Screw Pile length : 1000mm,1200mm,1400mm ,1500mm,1600mm,1800mm,2000mm,2100mm,2500mm,2700mm,3000mm .

Ground Screw material : carbon steel Q235

Surface treatment : hot dip galvanized .according to standard :DIN EN ISO1461-1999 ,average thickness of zinc coating :85micron

Drawing force parameter :10.7-28.5KN

Bearing capacity :20-40KN

Horizontal torsion parameters :4.5-10.5KN

packing :steel pallet

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