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 2.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: 4Ω2W, high-definition stereo sound * Type: Bluetooth car hands free * Applicable Mobile Phone Models: All * Installation Type: Sun visor * Output Method : Speaker * Bluetooth Version: Bluetooth 5.0 * Colour: Black * Input Voltage: 5 (V) * Working Temperature: 35 (Ąć) * Charging Time: 2-3 hours * Standby Time: 500 hours * Talk Time: 10 hours * Built-in Battery Capacity: 600mAh * Wireless Range: 0-10 meters * Working Frequency: ISM 24GHz 2.4BGHz Packing list: Bluetooth speakerphone x 1pc Metal clip x 1pc USB charging cable x 1pc English user manual x 1pc