Item Type: Car speakerphone Material: ABS Bluetooth Version: V5.0 Support Bluetooth Protocol: HFP, HSP, A2DP Wireless Distance: Approx. 0-10m or 0-32.81ft Battery Type: Built in 1200mAh lithium-ion battery for speakers, 65mAh lithium-ion battery for earphones Charging Time: About 3 hours Working Hours: About 20 hours Standby Time: Up to 1000 hours1,High Performance: Bluetooth chip V5.0 and EDR can obtain more stable audio streaming and lower power consumption, and output performance is stable. 2,Noise Reduction: Omni directional microphone design, built in digital power amplifier, greatly enhance the volume and sound effect, clear calls. 3,Private Protection: The bluetooth headset can quickly switch private calls, it can be used independently from the host, convenient to use. 4,Auto Connecting: The intelligent vibration induction is turned on, and the vehicle is automatically connected after starting advanced multi point connection, supports two mobile phones online at the same time. 5,Wide Application: 1200mAh polymer battery, battery life up to 20 hours. Equipped with metal back clip, no damage, easy installation. Can be used for trucks, buses, pickup trucks, cars 1 x Speaker 1 x Headphone 1 x Back Clip 1 x Data Cable 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.