UGREEN Bluetooth Receiver, Wireless Bluetooth 5.0 Car Adapter Portable Wireless Audio Adapter 3.5mm Aux for Music Streaming Sound System Speaker, Headphones, Hands-Free Car Kit with Microphone (70304)

Turn Your Car or Home electronics into a Streaming Machine: UGREEN Bluetooth adapter features the latest Bluetooth 5. 0 technology, the Audio receiver plugs into your device audio aux input and pairs with your favorite Bluetooth enabled device to stream your favorite music. With a built-in microphone, Our device also allows you to enjoy crystal clear sound quality on all of your calls.

Double Links and Wide Compatibility: The portable wireless audio adapter can connect two Bluetooth devices at the same time. And it also could compatible with most smartphones and Bluetooth electronics, pair it to your phone or tablet and enjoy CD-quality sound for all of your music or calls.

Support APTX HD: Using UGREEN aptx-hd car kit, wirelessly stream 24bit music quality for a “better-than-cd” listening experience. Standard CD quality Only is 16bit. Works with any aptx-hd Bluetooth device (E. G. Headphones, speakers) to stream audio in high definition.

Longer Battery Life: Built-in large capacity battery to provides up to 10 hours’ play and talking time/120 hours’ standby time. Besides, it comes with a micro USB charging cable to fully charge just by 1.5 hours.

Short Description:

• Function: music play and hands-free call
• Bluetooth Version: 5.0
• AUX interface with MIC+Button(for  control volume and play)
• Bluetooth Protocol: AVRCP/A2DP/HFP/HSP
• 3.5mm metal plug is detachable
• Support HIFI/SBC/AAC/apt-X/apt-X LL
• Frequency range:2.402GHz-2.480GHz
• Frequency Response: 20Hz-20kHz
• Output Power: 28mW,  RL=16Ω
• SNR(Signal to Noise Ratio):＞90dB
• Mic Sensitivity: -38dB
• Transmission distance: up to 10m
• THD ( total harmonic distortion )：<0.1%
• Battery capacity: 3.7V/200mAh
• Operating Time: up to 10hours
• Micro USB for power supply(5V) 
• Warranty: 2 Year.