Bluetooth Hands-Free Speaker for Car: Never miss a call while driving. Equipped with a built-in 3W speaker and hands-free calling functionality to help ensure safe driving and compliance with traffic regulations. Voice control feature allows you to double-click the M button to activate Siri or Google Assistant, enabling voice commands for making calls or playing music. Easy to install—simply clip it onto your car’s sun visor using the magnetic clip on the back, then pair with your phone via Bluetooth. Supports connection to two mobile devices simultaneously. Features noise reduction and echo cancellation technology for clear, loud o during calls. Adjust volume by pressing and holding the +/- button. For best performance, keep your phone away from the speaker during use. Includes a built-in TF card slot to play music directly from a TF card to help reduce driver fatigue. Color: Black. Material: Plastic. Package includes: 1 x Car Bluetooth Speaker, 1 x Visor Clip. Additional items not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement tolerance: +/- 1-3 cm.