X7 Bluetooth 4.1 Mini Invisible Wireless Sports Bluetooth Earphone with Charging Box (White) Google Spare Parts standby time is about 30

standby time is about 30 days

6) Length: 30cm

Ergonomics customized cavity

23pcs white and yellow lamp beads each

and carried anywhere

X7 Bluetooth 4.1 Mini Invisible Wireless Sports Bluetooth Earphone with Charging Box (White) Google Spare Parts standby time is about 301. 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