Ⅰ. Features: 1. Equipped with the Bluetooth-compatible chip of version V4.2 + EDR, ensuring stable output. 2. Supports voice broadcast throughout use. 3. Functions with automatic power-on and shut-down for convenience. 4. Compatible with Siri voice control for Apple devices. 5. Built-in 550 mAh battery, providing a standby time of 1000 hours. 6. Offers a call duration of approximately 10 hours. 7. Includes a built-in digital amplifier to enhance volume and sound effect. This is a handsfree car speaker kit for cell phones with advanced multi-point connection, capable of supporting two mobile phones online simultaneously. It also features built-in DSP noise suppression and echo cancellation function (CVC8.0 dual noise reduction technology). Ⅱ. Specifications: Car charger line length: 50cm; Bluetooth-compatible transmission distance: 10M; Speaker power: 42W, with high-definition stereo sound; Size: approximately 100*60*21mm/3.94*2.36*0.83in; Color: Black; Charging time: about 2 hours; Battery capacity: 550mAH; Call time: about 10 hours; Standby time: up to 500 hours; Bluetooth-compatible version: V4.2+EDR; Transmission distance: 10M Ⅲ. Package Included: 1 x Car charger, 1 x USB cable, 1 x Metal clip, 1 x Manual, 1 x Bluetooth-compatible handsfree kit Ⅳ. Notes: 1. Due to differences between different monitors, the picture may not reflect the actual color of the item. The style is the same as shown in the pictures. 2. Slight dimension difference is allowed due to different manual measurement. Ⅴ. Note: Due to differences in light and screen settings, the item's color may be slightly different from the pictures. Slight dimension difference is allowed due to different manual measurement.