Specification:
Product model: B21
Supported devices: supports connection between two mobile phones
Bluetooth-Compatible version: 5.2
Output interface: 3.5mm stereo RCA left and right channels
Function: USB flash drive, hands-free call, NFC connection
Bluetooth-Compatible protocols: AVRCP, A2DP
Frequency range: 2400-2483.5MHz
Frequency response: 20Hz-20kHz
Output power: 28mW RL=16 Ω
Signal to noise ratio: ≥ 90dB
Total harmonic distortion: ≤ 0.1%
Support: SBC, AAC
Forward transmission distance: 10 meters
Interface: Micro USB 5V power supply
Product size: 78 * 48 * 18mm/3.07 * 1.89 * 0.71in
Packaging size: 135 * 94 * 25mm/5.31 * 3.70 * 0.98in
Bare machine weight: 32g
One set weight: 108g
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
Package Content:1 x Audio Receiver
1 x 3.5mm Aux Cable
1 x Type C Cable
1 x Instruction Manual
