Features: - Wire free music from your mobile phone or mp3 player - Multi-link function to a Bluetooth handset and a dongle simultaneously - Good audio performance with SRS WOW technology - Supports remote control function - Powered by 4 AA batteries so can be taken anywhere or by mains - Works with compatible Bluetooth devices for receiving calls Specifications: - Bluetooth Specification v1.2 class 2 - Supports Bluetooth Headset, Handsfree, A2DP and AVRCP profiles - SRS WOW technology - Powered by 4 AA batteries or by mains - Talk Time: up to 35 hours^ - Standby Time: up to 600 hours^ - Music Playing Time: up to 35