'-Material: ABS\n-Audio Interface: USB and 3.5mm Jacks\n\n-Size: 34mm x 19mm x 12mm /1.34″ x 0.75″ x 0.47″ (Approx.)\n\n– The Bluetooth chip uses a USB direct power supply and does not require charging, so the adapter can be used with a direct power supply through the speaker USB port\n\n– This Bluetooth adapter supports audio devices with USB ports and 3.5mm jacks, which are very suitable for speakers, cars, and power amplifiers\n\n– It has Bluetooth 5.0 and a transmission distance of 0-10m(about 33 feet), which is faster and more stable than the Bluetooth 4.0 version\n\n– The receiving function of the Bluetooth adapter turns the ordinary speaker into a Bluetooth speaker, so that the car without Bluetooth has the Bluetooth function, so you can easily listen to music, make calls, and use the mobile phone to navigate and play in the car\n\n– It can also make the amplifier have Bluetooth function and supports multiple audio mode playback\n\nPackage Weight:27g\n\nPackage Dimension:6.5cm x 2cm x 10cm\n\nPackage Includes:\n\n1 x Bluetooth 5.0 Audio Receiver\n1 x 3.5mm Cable\n1 x User Manual