JOYROOM JR-CB2 2-in-1 Wireless Audio Adapter (Transmitter and Receiver)

The JOYROOM JR-CB2 device is a 2-in-1 multi-functional wireless adapter that enables sending and receiving audio signals via Bluetooth 5.3 technology.

Key Features:

• Dual functions: Switch between transmit and receive modes.

• Bluetooth 5.3 for stable and efficient connection.

• Supports multiple modes: BT, AUX, TF card.

• Transmission range up to 12 meters.

• Built-in microphone with -38±2dB sensitivity.

• 300mAh battery provides up to 14 hours of playback in receive mode.

Specifications:

• Bluetooth Version: V5.3

• Audio Decoding: SBC

• Supported Protocols: HSP, HFP, A2DP, AVRCP

• Transmission Range: ≤12m

• Frequency Response: 20Hz–20kHz

• Mic Sensitivity: -38±2dB

• Music Playback Time (TX Mode): Approx. 6.5 hours (at 60% volume)

• Call Time (TX Mode): Approx. 5.5 hours (at 60% volume)

• Music Playback Time (RX Mode): Approx. 14 hours (at 60% volume)

• Call Time (RX Mode): Approx. 12 hours (at 60% volume)

• Standby Time (connected): Approx. 24 hours

• Battery Capacity: 300mAh

• Charging Time: Approx. 2 hours

• Charging Port: Type-C

• Charging Input: 5V⎓1A

• Material: ABS + PC