Characteristics: 1. Bluetooth 4.0: Enjoy wireless music with lower power consumption and faster signal transmission. 2. Control music at your fingertips with one touch when your smartphone / tablet is out of your reach. 3. Function: Volume Up / Down, Previous / Next Song, Play / Pause, Siri, Home. 4. Intelligently compatible with smartphones and tablets running iOS / Android (4.0 or higher). 5. Attach it to the steering wheel of your car, keep your eyes on the road and keep your hands on the steering wheel. Technical data : Black color Material : ABS Bluetooth version: 4.0 Transmission distance: 10m Battery capacity: 200mAh Size: Approx. 36 * 36 * 8.5mm / 1.4 * 1.4 * 0.3 inch Compatibility: Android, iOS systems Package weight: about 24g Package List: 1 * Bluetooth remote control 1 * sticker 1 * User Manual (Other items in the pictures are not included. )