Product Details:
Transmission range: 15 meters
Function: super long battery life
How to use: hanging ear
Whether single ear or double ear: bilateral stereo
Color: A9 TWS, A9S TWS,
Battery life: 4-8 hours (hours)
Material: plastic

Power mode: usb

Battery capacity: 110mAh, base battery: 300mAh

Package Contents:
Bluetooth headset X1 set