Specification: Item Type: Bluetooth Receiver_x000D_Material: ABS_x000D_Bluetooth Version: Bluetooth 5.0_x000D_Built In Lithium Battery Capacity: 250mAh (Inclusive) Features: 1Multifunctional: Bluetooth 5.0, stable connection, built in microphone, HD calls, 3.5mm interface, quality wireless audio adapter. 2Excellent Enjoyment: Support Memory card playback, no bluetooth connection to the phone. You can relax and enjoy music. 3Bluetooth Function: It is suitable for the old stereo without Bluetooth function to achieve wireless Bluetooth function. 4Convenient to Use: Excellent performance, sensitive response. Simple to operate. Compact and portable, it can be used anytime and anywhere. 5Premium Material: Made of high quality ABS material, durable, wear resisting, long service life. PackageList: 1 x Bluetooth Receiver 1 x Description 1 x Charging Line