Features: brand new and high quality Auto Power On/Off; Answer/End/Reject a call by One-Key operation Built-in DSP noise suppression and for echo cancellation function (CVC8.0);Support streaming music/audio from GPS applications Siri Voice control; Equipped with Hi-Fi 2W speaker, more louder sound quality Supports connecting two mobiles at the same for time Up to 1400Hrs/60Days standby, Talk for time about 17-20 Hrs; With HD- microphone,make the calling more clearly. Voice guidance: provides calling number, battery alert level, pairing instruction and Bluetooth5.0- connection status. Specifications: Specification Standard: Bluetooth5.0-compatible+edr Working Frequency: Ism 24ghz 2..4bghz Transmitting Power: Class 2 Wireless Range: about 10m/32.8ft Charging Output: for Dc 5v400ma Battery Capacity: 3.7v 1000mah Charging Time: 3hrs Talk Time: 17-20 Hours Standby Time: 60days Size:approx 60x105x25mm/4.13x2.36x0.98in Color: Black Material:ABS Note: We don'for t offer retail package,but we will pack it well before shipping. It is newest arrival product and in highly quality,if you are interested in it,we can provide the dropshipping and wholesale servicer,please feel free to contact us,thank you. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x Bluetooth-compatible 5.0 Receiver 1 x Micro USB Charging Cable 1 x Visor Clip 1 x User Manual