Product Information：
Product Type: Stereo Bluetooth Headphones
Signal-to-noise ratio: ≥94db
Use time: about 4-5 hours (80% battery)
Battery cycle life: about 300 times
Bluetooth version: V5.2
Headphone battery: 30mah
Charging compartment power: 300mah
Bluetooth effective distance:> 10m
Channel system: dual channel
Packing List：
1*Bluetooth Headphone