JOYROOM JR-CB2 2-in-1 Wireless Bluetooth Transmitter/ Receiver. 

The Joyroom JR-CB2 2-in-1 AUX 3.5mm / Bluetooth Hands-Free Car Kit with Active Noise Reduction, LED Display - BT 5.3. Upgrade your home or car stereo setup with the Joyroom JR-CB2 2-in-1 Bluetooth audio transmitter & receiver With the Joyroom JR-CB2, you can easily switch between transmitter and receiver mode to send or receive audio signals. It features dual ENC active noise reduction microphones, ensuring crystal clear hands-free calls. The Joyroom JR-CB2 Bluetooth hands-free car kit is equipped with an LED display, colorful LED ring, and convenient control buttons.

Specifications: 

• 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). 

Features: 

• Bluetooth V5.3 technology, stable and fast connection
• Built-in 300mAh rechargeable battery, environmental protection, and energy saving
• ENC dual noise-canceling mics, excellent sound quality
• The Bluetooth playback distance is within 12 meters (barrier-free)
• Designed with LED digital display and colorful LED ring

Package included:

• 1 x Car Bluetooth Adapter
• 1 x Charging Cable
• 1 x Audio Cable
• 1 x 3.5mm Plug
• 1 x Adhesive Sticker
• 1 x English and Chinese User Manual.