Specifications:With the compact and small size, the audio adapter is easy to carry. It is plug and play and no external power is required.With bluetooth-compatible 5.0 chip, it has low power consumption and quick response.It is suitable for laptops and desktop computers.Item Name: Audio AdapterMaterial: ABSBluetooth Version: 5.0Transmission Distance: 10mInput Interface: 3.5mmInput Voltage: DC 5VFeatures: Plug and Play, Portable, Low Power ConsumptionSize: 62mm x 25mm x 13.3mm/2.44" x 0.98" x 0.51" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Audio Adapter (Others Not Included)