Come and see our amazing products. T25 is anti statics designed, and equipped with noise and wind suppressed by CVC technology that can achieve full duplex sound quality. WMA MP3 WAV APE FLAC music formats are all supported.Coming with 2 USB ports(5V2.4A and 5V1A). Built in over current protection, over voltage protection, intelligent temperature control, short circuit protection, it will effectively ensure safe charging.Bluetooth provides a stable connection, while Noise Suppression (CVC) technology and echo cancellation grants an amazing hands free calling experience. Car Battery Voltage Detection & Blue Ambient Light. Price for over 2000pcs is for sea shipment. Pls confirm further with us if any query about packing info, inventory status and time schedule.