Chip solution: BLUETRUM 5636

Bluetooth version: V5.3                                                                     

FF ANC & Dual MIC ENC Noise Cancelling                                                       

Loudspeaker units: Φ10mm±0.2mm                                                         

Speaker impedance: 32ohm±15%                                                             

Lithium battery capacity of earphone: 40mAh*2

Charging case battery capacity: 400mAh

Transmission distance: 10M                                                         

Input: Type-C 5.0V-0.7A/Output: Type-C 5.0V-0.3A       

Magnetic Suction Charging                       

Charging compartment can be charged 3~4 times

Frequency Response: 20-20KHz

Music playback time: 4~5H(under 70% volume status)

Charging time of charging earbuds: 0.7H

Charging time of charging cabinet: 1.5h