Featuring Bluetooth-compatible 5.1 technology, this adapter can be transmitted over long distances, with enhanced anti-jamming performance, audio and video synchronization without delay, and plug-and-play. Great for wireless music listening and wireless file sharing, this adapter can support many devices, such as gamepads, audio, keyboards, mice, cell phones, headphones, printers, etc. It is constructed of ABS material. The length of this adapter is 3.1cm, the width is 1.5cm and the height is 0.08cm. The adapter can be used for computers and mice. Item Name: Audio Adapter Material: ABS Color: Random Color Transmission Rate: 3 Mbps Operating Frequency: 2.4 Mhz Bluetooth-compatible Standard: 5.1 Interface: USB Effective Working Radius: 15 Meters External Power Supply: No External Power Supply Features: Long-range Transmission, Anti-interference Performance, Plug And Play Size Details: LxWxH: 3.1cm x 1.5cm x 0.08cm or 1.22" x 0.59" x 0.03"(Approx.) Notes: Noted: Not support for Apple Devices. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Audio Adapter Note: 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.