Product Description: Material: Plastic Colour: Black Size: 85*80*20mm Charging time: about 2 hours Talk time: about 10 hours Standby time: up to 500 hours Features: 1.High-performance version of Bluetooth chip V5.0+EDR, stable output performance 2.Voice broadcast throughout the whole journey, never miss any calls 3.Automatic switch machine, save effort and worry 4. 600 mAh battery, 500 hours of battery life 5.The continuous talk time is about 10 hours 6.Built-in digital power amplifier, greatly increase the volume and sound effect 7.Advanced multi-point connection, support two mobile phones online at the same time 8.Built-in DSP noise suppression and echo cancellation function (CVC8.0 dual noise reduction technology) 9.Bluetooth transmission distance: 10M 10.Speaker: 42W, high-definition stereo sound packing list: 1 x Bluetooth car kit 1×USB cable 1×steel clip 1×car charging adapter 1×Instruction