Solution Main Control Chip: JL6973D 

Wireless Version: V6.0

Transmission Frequency: 2.40GHz-2.480GHz

Transmission Distance: ≥10 meters

Battery Capacity: 

Charging Case: 300mAh

Earphones: 35mAh

Noise Cancellation: -25dB

Charging Voltage: 5V/200mA

Charging Time (Charging Case): 2 hours

Earphones: 1-1.5 hours

Music Playback Time: About 5-6 hours

Earphones Battery Life: 15 hours

Talk Time: About 4 hours

Speaker Material: Composite Film (PU + Wool Paper Dome Composite)

Frequency Response: 20-20kHz

Earphone Sensitivity: 107±3dB

Microphone Sensitivity: -42±2dB

Speaker: 13mm

*Transparent flip-top design

*Comes with a portable lanyard