B39 Wireless Bluetooth Headset Subwoofer With Breathing Light Support TF Card(Black) Filter-External Hard Drives 50 hours of powerful battery

50 hours of powerful battery life to listen to music

Use time: about 12 hours

the real object is subject to the title model

adequate power supply and no much trouble

Loading Container 20GP: 277 cartons * 450 pcs = 124650 pcs

B39 Wireless Bluetooth Headset Subwoofer With Breathing Light Support TF Card(Black) Filter-External Hard Drives 50 hours of powerful battery1. Seven color LED breathing light, surround sound effect 2. Colorful lighting, audio synchronization, ultra clear call, HIFI sound quality, long lasting battery life, TF memory card, comfortable to wear, sweat proof 3. Bluetooth 5. 1 chip, faster and more stable connection, clear and smooth listening to songs and games 4. Strong and optimal material, comfortable and long lasting to wear 5. Large diaphragm loudspeaker, balanced and restored sound