Inland ProHT Bluetooth HeadSet: * Bluetooth Version: V2.1+EDR * Bluetooth Profiles: Headset, Hands-free, A2DP, AVRCP * Effective Range: 10 meters * Working Times: Music: Up to 10 hours; Talk: Up to 11 hours * Standby Time: Up to 250 hours * Input: DC:5V/130mA * Charging time: Approx 3 hours * Enjoy music wirelessly * Pairs with Bluetooth-enabled mobile phones and PDAs which support HFP * Pairs with Bluetooth-enabled music devices and Bluetooth-enabled transmitters which support A2DP * Easy to switch between conversation and music * Automatic connecting with the last paired device when you turn on the headset * Charge the battery with USB cable * Color: blue