Designed with a spring cable, this wireless 5.0 Bluetooth-compatible audio adapter can expand without deformation and is very convenient to store. Adopting Bluetooth-compatible 5.0 wireless transmission technology, this receiver will connect the USB interface and AUX interface of the device, bringing more stable audio transmission capability. It is constructed of ABS material. The length of this product is 4cm, the width is 2cm and the height is 0.9cm. It is widely used for the most devices in the car. Item Name: Car Audio Receiver Material: ABS Features: Stable Connection, Spring Cable, Anti Interference Bluetooth-compatible Version: 5.0 Sensitivity: - 42dB Signal to Noise Ratio: More Than 90dB Audio Transmission Mode: SBC Bluetooth-compatible Delay: Less Than 200ms Effective Transmission Distance: ≤ 10m Bluetooth-compatible Indicator: Blue LED Frequency Range: 2400-2483.5MHz Size Details: L: 4cm/1.57", W: 2cm/0.79", H: 0.9cm/0.35"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Audio Receiver