AUX To Bluetooth 5.1 Adapter 3.5mm Bluetooth Receiver Microphone For

• 100% brand new and high-quality made.
• This USB to AUX Bluetooth receiver allows you to turn any device with a 3.5mm jack connection into a Bluetooth speaker. If your car radio has a jack input, this Bluetooth transmitter can be used as a car kit. 
• Equipped with built-in microphone, this Bluetooth car adapter allows you to make hands-free calls through your car speakers. Once your phone is connected to the adapter, the sound of the call is played through the car speakers and your voice can be heard through the microphone. 
• The transmitter is compatible with speakers, receivers, TVs and other playback devices, if an USB-A connector is presented for power and the playback device has a 3.5mm jack connector. This makes it one of the most convenient adapters on the market. Installing the Bluetooth transmitter is very simple. Insert the USB-A plug of the adapter into a USB-A port of a power source to power the transmitter. Then insert the AUX cable into the 3.5mm jack of the playback device.

Specifications:

• Output Interface: 3.5mm Stereo Plug
• Range: DC5V 
• Music Playback Duration: <10 hours 
• Battery Capacity: 145mAh
• USB Cable Length: 50cm 
• Bluetooth Version: 5.1 
• Bluetooth Distance: < 10m 
• Bluetooth Frequency: 2.4GHz 
• MIC Sensitivity: -42db 
• Frequency Response: 50Hz-20KHz 
• SNR(Signal to Noise Ratio): 75db 
• Charging Port: Supports MicroDC 5V/100mA Input Voltage