
M280
Wireless Version: V5.0+EDR

M291
Chip: JL Wireless Version: V5.0+EDR

M292ANC
Chip: JL Wireless Version: V5.0+EDR

M290ANC
Chip: CSR8635 Wireless Version: V4.1 ANC

M279
Chip: JL, Bluetooth version:V5.0+EDR

M277
Model: M277 Chip : JL Wireless Version : V5.0+EDR Transmission distance : 10m Playing time : 10 hours S...