High-performance Bluetooth chip V5.0+, stable output performance Voice prompts throughout your journey, never miss a call Automatic switching machine, saving effort and worry Supports Siri voice control 600 mAh battery, 500 hours of battery life Continuous talk time is approximately 10 hours Built-in digital power amplifier, significantly increasing volume and sound effect Advanced multi-point connection, supports two mobile phones online simultaneously Built-in DSP noise reduction and cancellation function (CVC8.0 dual noise reduction technology) Bluetooth transmission distance: 10M Speaker: 4 ohm 2W, high-definition stereo sound Color: Black Material: ABS Size: 8.5 x 8 x 2cm Package Contents: 1 x Bluetooth Car Kit 1 x USB Data Cable 1 x Steel Clip 1 x Car Charger Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.