Description: _x005f_x000D_ 1. This product is a low-power Bluetooth-compatible design scheme. It supports the latest Bluetooth-compatible 4.2 transmission. Dual-channel stereo non-destructive playback. _x005f_x000D_ 2. After the module is connected to bluetooth, Bluetooth-compatible wireless transmission can be realized quickly, which is very convenient. In the open environment, the Bluetooth-compatible connection distance can be up to 20 meters. _x005f_x000D_ 3. Widely used in various Bluetooth-compatible audio reception, various audio DIY modification, convenient and fast. _x005f_x000D_ _x005f_x000D_ Specification: _x005f_x000D_ Product model: HW-407 _x005f_x000D_ Working Voltage: DC3.7~5V _x005f_x000D_ Output Load: Earphone _x005f_x000D_ Product size: 45*20*8mm/1.77*0.78*0.31'' _x005f_x000D_ Packing weight: 4g _x005f_x000D_ _x005f_x000D_ Functional Description: _x005f_x000D_ 1.Bluetooth-compatible V4.2 version supports Bluetooth-compatibleauto-link technology, WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual-channel output. _x005f_x000D_ 2. When the module is powered on, the mobile phone searches for theBluetooth-compatiblename HW-407, which can play music when connected to bluetooth. _x005f_x000D_ 3. Modular blue indicator: _x005f_x000D_ When Bluetooth-compatibleis not connected, the indicator fast flashes. _x005f_x000D_ When Bluetooth-compatibleis connected, the indicator lights are always on. _x005f_x000D_ When Bluetooth-compatibleis playing, the indicator lights slow flashes. _x005f_x000D_ 4. Power supply: It can be directly powered by 5V of MICRO USB Android line, or it can be connected to 5V power supply or 3.7V lithium battery. Note that 5V and 3.7V power supply interfaces are different. 5V is connected to 5V and GND, and 3.7V lithium battery is connected to VBAT and GND. _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Please allow 1-2mm differs due to manual measurement. _x005f_x000D_ Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 X Wireless Bluetooth-compatible Audio Module