•Universal Compatibility: Via its 3.5mm aux jack, this device can connect to a wide range of audio devices, such as car audio 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 plug in and enjoy your audio content wirelessly •Easy to Use: With its simple plug-and-play design, this Bluetooth-compatible transmitter receiver is easy to use. Simply plug it into your device's auxiliary port, connect your Bluetooth-compatible device, and enjoy wireless audio streaming •Clear Stereo Sound: With its noise cancelling chip, making you enjoy crystal-clear high-quality stereo sound with this Bluetooth-compatible adapter. Whether you're listening to music, watching a movie, or making a call, you'll experience superior audio quality Specification: •Material: ABS+PC+TPU •Interface: 3.5mm male, Type-C female •Bluetooth-compatible version: 5.1 •Bluetooth-compatible 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 (the indicator light turns red when charging and turns off when fully charged) •Transmitter music playback standby time: 7h •Receiver music playback standby time: 8h •Size: 19.95*12.05*96.69mm •Weight: 11.5g •Product selling points: dual-mode universal, powerful performance Bluetooth-compatible 5.1 chip, multiple noise reduction technologies, rechargeable battery built in Package included: •1 x Bluetooth-compatible Transmitter Receiver •1 x English and Chinese User Manual •Other things not included