IMAGE&reg; Bluetooth Headset Flexible Boom Mic 12 Hours Talk Time 250 Hours Standby Time Support: AVRCP, Headset, Headfree, Noise-Canceling, Voice-Dial/Mute.Attention: only for calling not for listenning to the music. Frequency:2.4GHZ, Bluetooth Chipset: CSR BC5V2. 1. Broadcast Range: 10M. Talking Time: 12 hours, Stand-by time: 250 hours. Package Include: 1 x Headset, 1 x Power adapter, 1 x USB Charging cable