... Dialing, Redialing functionsCE, RoHS, FCC, BQB Product Specifications Bluetooth Specification: V2.0 + EDRBluetooth Profiles Supported: Headset, Handsfree ... Range: 2.40-2.48GHzBattery: Built-in Rechargeable 3.7V/ 600mAh Li-polymer BatteryCharging Voltage: ... to human body. Our Bluetooth series products, such as Bluetooth Headsets, Bluetooth Car Kits, Bluetooth Speakers, Bluetooth Dongles etc, are widely ...