【ter】Bluetooth Sleeping Headphones Headband Thin Soft Elastic Comfortable HeadphonesSpecification:
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
Size: 27cm * 10cm

Packaging:
Bluetooth headPhones
manual
charging cable

Note:
1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures.
2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.