Wireless Headphone Earphones Universal Hi Fi Bluetooth Headset Earphone w/Mic A2DP Headphones Mini new Red V2.1+EDR Type: Bluetooth Headset Talk Time: up to 54 hours Standby Time: up to 1200 hours Charge Time: about 3 hours Operating Range: 10 Meters Bluetooth Version: 2.1 Bluetooth Profile: A2DP & AVRCP Battery: Rechargeable Li-Ion Battery