Feature: 1. Premium Wire Material: The wire is made of high resilience TPE material, which can be expanded at will without deformation, easy to store and use. 2. Anti Interference Design: Car bluetooth receiver adopts anti current interference circuit design, effectively isolate the current caused by the 'squeak', make the sound quality more pure. 3. USB Power Supply: Car bluetooth receiver adopts USB direct power supply, no need to worry about power shortage and battery life. 4. Restore Sound Details: Wireless bluetooth 5.0 adapter supports SBCG HD sound decoding, clearly restore music details. 5. Plug and Play: Bluetooth conversion adapter is plug and play, convenient and universal for 3.5mm interface devices. 6. Long Distance Transmission: Bluetooth conversion adapter built in antenna design, can achieve 0‑10m/0‑32.8ft long distance transmission. Specification: Item Type: Car Bluetooth Adapter Material: TPE Size: Unstretched Line Length: Approx. 40cm/15.7in Stretched Line Length: Approx. 110cm/43.3in (Elastic error 5cm) Color: Gray Black Output Interface: 3.5mm Transmission Distance: 10m/32.8ft Without Obstacles External Power Supply: No External Power Supply. Package List: 1 x Car Bluetooth Adapter Note: Please allow some error for manual measurement.