Fone Bluetooth Earphones Sports Sleeping Headband Elastic Wireless Headphones Music Eye Mask Wireless Bluetooth Headset Headband

Bluetooth Headphones 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 7h; medium volume 10 hours 

Microphone distance: 1m

Bluetooth standby time: 72h

Battery capacity: 150mA / h

Battery power: 0.55w

Horn impedance: 32 ohm

Horn power: 0.02w

Frequency range: 2.4-2.4835ghz

Sensitivity: 45dB

Transmitting power: 6dB

Audio output distortion: 0.6%

Audio output SNR: 93dB

Charging time: 1-2 hours

Maximum input voltage: DC 5V

Maximum input current: 150mah

Maximum input power: 0.55w