Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Bluetooth 5.0 Cassette Adapter For Smartphones And Car Compact Disc Player. Features: Easy to Operate Just Put the Cassette Adapter into the Car Compact Disc Player. Then the Cassette Adapter Starts to Play Music on Your Phone for You. Built-in Microphone:The Cassette Adapter with Built-in Microphone Can Support Calling Function. LED Indicator Light:The Cassette Adapter with USB Charging LED Indicator Light is Convenient for You to Charge It. Button Controlling Design:The Cassette Adapter with Controlling Button Can Be Easily Controlled Manually. Bluetooth 5.0:The Cassette Adapter with Bluetooth 5.0 Technology Can Play Music on Your Smart Phone by Bluetooth Connection Conveniently. Specifications: Type: Cassette Adapter Quantity: 1pc Material: ABS + Electric Component Color: Black Battery: Built-in Size: 10*6.4*0.9cm/ 3.93*2.52*0.35inch(L*W*H) Net Weight: 65g/2.29oz Package: 1* Cassette Adapter 1* Package Box . Products number : SM3098