Product description
Frequency range: 2.402-2.480GHz
Bluetooth protocol: RX-A2D2 AVRCP TX-A2DP
Connected devices: Support one-to-one
Receiving mode: USB+AUX output support calls
Launch mode: USB+AUX input
Product description: B53 is a USB+AUX 4-in-1 Bluetooth, support USB transmit/receive, select RX/TX mode by toggle switch, simple operation, plug and play, receive mode support through.
Product size: 2.2x5.2x1.2cm
Audio interface: USB/3.5mmAUX
Transmission distance: ≤10m