Business Wireless Bluetooth Sports Headphones, Color: Q12 Blue 90 mAh(Colorful Box) Tag-Sensor Doorbell and silicone rubber cushions of

and silicone rubber cushions of hooks

self-contained sealing ring

Gravity linkage principle

Read speed: up to 430MB/s

Package Include Package Contents Black Reflector Board x 1

Business Wireless Bluetooth Sports Headphones, Color: Q12 Blue 90 mAh(Colorful Box) Tag-Sensor Doorbell and silicone rubber cushions of1. Material: plastic 2. Built in lithium battery: 90mAh 300mAh (optional) 3. No stuttering, low power consumption, using the newly upgraded Bluetooth 5. 2 to connect with mobile devices, the signal is more stable and the transmission is faster 4. Charge for 10 minutes and talk for 4 hours, saving about 50% of the charging time 5. Double noise reduction system, filter the external environment noise, reduce the interference during the call, deep noise