Manufacturer: Joyroom

Model: JR-CB2

Bluetooth version: 5.3

Audio codec: SBC

Supported audio protocols: HSP, HFP, A2DP, AVRCP

Card Reader: TF

Transmission range: up to 12 m

Mic Sensitivity: -38dB (±2dB)

Frequency range: 20Hz-20kHz

Standby time: approx. 24 hours

Battery capacity: 300mAh

Charging time: approx. 2 hours

Charging connector: USB C

Dimensions: 48 x 42 x 15.2mm

Material: ABS, PC

Weight: 34g

Music playback time in transmitter mode: approx. 6.5 hours (60% volume)

Operating time during a phone call in transmitter mode: approx. 5.5 hours (60% volume)

Music playback time in receiver mode: approx. 14 hours (60% volume)

The working time during a phone call in receiver mode: approx. 12 hours (60% volume)

Working time on a call: approx. 7 hours (60% volume).