Sleep Headphones Bluetooth Sleeping Headband - Sleeping Headphones Cozy Bands

New Bluetooth Headsets Sports Sleeping Headband Thin Soft Elastic Comfortable Wireless Earphones Music Eye Mask For Side Sleeper

Bluetooth version: 5.0
Bluetooth transmission distance: 10M
Music playing time: Maximum sound 4h, medium volume 8 hours
Bluetooth standby time: 72h
Battery capacity: 150mA / h
Horn impedance: 32 ohm
Audio output distortion: 0.6%
Charging time: 1-2 hours
Maximum input voltage: DC 5V
Maximum input current: 150mah
Maximum input power: 0.55w