Mini, lightweight, compact, ultra-slim and portable design. High quality, super bass and outstanding sound. Adopt mobile enhancement technology and Bluetooth wireless technology. One multifunctional button (on/off/answer/end) to control. Built-in microphone. Allow you to answer the coming call freely and conveniently. Both headset and hands-free profile integrated. Let you enjoy outstanding sound and music freely and conveniently anytime and anywhere. Compatible with all Bluetooth enabled mobile phones. Comfortable to wear on the left or right ear. Come with an ear loop for easy carrying with you on the go. Come with a mini USB adapter for quick charging. Support Bluetooth V2.1. Transmission distance: 10M. Talking time: 4 hours. Standby time: up to 100 hours.