Bumblebee BT-B4SR Bluetooth Headset With [Retail Packaging] Using For HTC,iPhone,Nokia,Samsung,Motorola,LG, Sony Ericsson Wireless Phone. PC/Mac Super slim and light weight design offers the most comfortable fit for the users Crystal clear voice quality with speaker volume control Up to 3 hours of talk time and 60 hours of standby time Detachable ear hooks Package also includes wall charger and USB cable and we offer a 1 year limited warranty on this product