Features 1.MULTIFUNCTIONAL: Bluetooth adapter can be used as a wireless sound receiver to connect to Bluetooth devices for sound transmission, and also can be used as a memory card MP3 player, support up to 16GB storage space. 2.STABLE TRANSMISSION: Wireless sound receiver adopts Bluetooth 5.3 and EDR technology to ensure stable wireless connection, supports 10 meters wireless distance, ensures the stability and quality of sound transmission, allowing you to enjoy music and calls wirelessly. 3.SIMPLE OPERATION: Simply plug the Bluetooth adapter into the sound input port or connect it to a Bluetooth device to quickly realize sound transmission, and it supports one button to switch modes, volume adjustment and other functions, which is easy and convenient to operate. 4.LONG BATTERY LIFE: Bluetooth receiver has a built in 200mAh lithium ion battery, which supports long time use, no need to worry about the trouble of frequent charging. 5.PORTABLE AND CONVENIENT: Clip on design, can be easily carried, enjoy excellent music and call experience anytime and anywhere. Suitable for Bluetooth devices such as PCs, for Android and for iOS phones, tablets, and sound devices with sound input ports. specificationItem Type: Bluetooth Adapter Material: ABS Bluetooth: 5.3, EDR Wireless Distance: About 10 Meters/10.9yd Function: Recording, Memory Card Playback Memory Card: Maximum Support 16GB (not Included) Battery Type: Built in 200mAh Lithium Ion Battery Applicable Devices: PC, for Android, for IOS System Cell Phones, Tablets and Other Bluetooth Devices, As Well As Sound Equipment with Sound Input Interface PackageList 1 x Adapter 1 x Data Cable 1 x Instruction Manual