A847BL Outdoor Sports IPX4 Waterproof Anti-sweat Fashion After Hanging Design Stereo Bluetooth Earphone(Black) Filter-Follow Focus Internal Interface: M-key/B-Key

Internal Interface: M-key/B-Key

Lightweight design: classic zipper convenient

One Package Size 12cm * 3cm * 1cm / 4

Charging time: about 5 hours

A847BL Outdoor Sports IPX4 Waterproof Anti-sweat Fashion After Hanging Design Stereo Bluetooth Earphone(Black) Filter-Follow Focus Internal Interface: M-key/B-Key1. Rear mounted wireless sports Bluetooth headset 2. Automatic conversion of phone and music, up down selection, play pause 3. Stereo high quality music, shocking bass, clear call 4. Support one to two function, call rejection function 5. Support operation voice (Chinese English) prompt function 6. Large battery capacity, low power consumption, long life 7. Support iOS system power display 8. Intelligent noise reduction high version CVC6. 0 9. 5. 1