Product information:

Version: Bluetooth 5.0+EDR
Scheme: UK CSR Scheme
RF transmit power: 90DB (transmission is more stable)
Signal transmission channel: Cassl 2
Wearing method: in-ear earhook wearing
Size: L59*W15*H10MM
Weight: 7.1g
Transmission sensitivity: -42DB back pole room high-end microphone
The longest transmission range: 10 meters
Transfer rate: 24MBPS
Long talk time: 5.5H listening time: 4.5H

Packing list:

Bluetooth Headphone*1