Bluetooth Hands-Free Speaker: Let you never miss a call while driving. Built-in 3W speaker, hands-free answering, ensuring safe driving and not violating traffic rules. Voice Control: Double-click the button M to activate or Assistant, and then issue voice commands to control the car Bluetooth speaker, such as making calls or playing music. Easy to use: Just clip it to the car sun visor with the magnetic back clip, then connect it with your phone via Bluetooth. Support to connect 2 mobile phones. Clear and Loud Sound: With noise reduction and cancellation technology, it brings you a clear call experience. Long +/- button to increase or decrease volume. Tips: Please keep your phone away from the Bluetooth car speaker when you are talking. Support TF card: Built-in TF card slot, you can insert a TF card to and fatigue. Color: black Material: Plastic Package Contents: 1 x Car Bluetooth Speaker 1 x Visor Clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.