Headphone parameters:

Bluetooth version: V5.0+EDR

Wireless frequency: 2.4GHZ

Supporting agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3

Transmission distance: 15 meters

Battery capacity: 45mAh/350mAh

Charging voltage / current: 5V / 1APlay /

talk time: about 3 hours

Charging time: about 1 hour

Standby time: 60 hours

Speaker impedance: φ10MM 32Ω

Microphone sensitivity: -42Db

Working temperature: -10-50 °C

Package Included:

1 x Headphones(left and right)1 x Charging Box1 x User Manual1 x Charging Cable