Bluetooth technical parameters:

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

 Product packaging information

 weight: 80g

 Packaging: Bluetooth headphones, manual, charging cable, OPP bag