X7 Bluetooth 4.1 Mini Invisible Wireless Sports Bluetooth Earphone with Charging Box (Red) Filter-Metal Cases and Micro USB port

and Micro USB port

which can be universal for all cell phones

It is an ideal product for soldering electronics assembly or electronics and circuit board repair

Touch screen method: disc

X7 Bluetooth 4.1 Mini Invisible Wireless Sports Bluetooth Earphone with Charging Box (Red) Filter-Metal Cases and Micro USB port1. Bluetooth version: 4. 1 2. Ergonomic design, comfortable to wear 3. Mini design, easy to carry 4. One key control, easy to use 5. Can connect two Bluetooth devices at the same time 6. Compatible with 99% of products on the market, supporting WeChat voice, video QQ voice and other mainstream audition software 7. IOS system mobile phone can display power 8. Music time: 16 hours 9. Charging time: 1 2 hours 10. Battery capacity: headset 50mAh, charging