Spec Info:

Bluetooth chip: PAU1901

Bluetooth version: V5.3

Bluetooth frequency band: 2.402GHZ-2.480GHZ

Corresponding specifications: HSP, HFP, A2DP, AVRCP

Effective distance: about 10m (barrier-free)

Audio output: Stereo

Sensitivity: -85dBm

Headphone battery capacity: 25mAh (single side)

Charging compartment battery capacity: 300mAh

Continuous playback time: about 4 hours

Headphone charging time: about 1.5 hours

Power display: display remaining power according to iOS/Android system

Waterproof grade: IPX4

*Official Product*