ESSAGER Car Stereo Bluetooth Transmitter Receiver 3.5mm Aux Adapter for Speaker Amplifier
Universal compatibility: Via its 3.5mm aux jack, this device can connect to a wide range of audio devices, such as car stereo systems, speakers and projectors
Portable size: This compact, lightweight adapter is perfect for use on the go. Whether you're in a car or at home, you can easily connect and enjoy your audio content wirelessly
Easy to use: With its simple plug-and-play design, this Bluetooth transceiver is easy to use. Simply plug it into the device's extra port, connect your Bluetooth device and enjoy wireless audio streaming
Clear stereo sound: With its noise reduction chip, you get to enjoy crystal clear high quality stereo sound with this Bluetooth adapter. 
Whether you're listening to music, watching a movie or making a call, you'll experience superior sound quality

Specification:
Material: ABS+PC+TPU
Interface: 3.5mm male, Type-C female
Bluetooth version: 5.1
Bluetooth pairing name: ES-BT10
Transmission distance: 10m
Working frequency: 2.402G-2.48G
Working power: +6dbm
Battery capacity: 140mAh
Charging power: DC 5V/150mA
Charging time: 1.5h (indicator light turns red when charging and turns off when fully charged)
Transmitter music playback standby time: 7h
Receiver music playback standby time: 8 hours
Size: 19.95*12.05*96.69mm
Weight: 11.5g

The package includes:
1 x Bluetooth Transmitter Receiver
1 x English user manual

Other not included

• Car Stereo Bluetooth Transmitter Receiver 3.5mm Aux Adapter for Speaker Amplifier