Antec Frequency Band BLU Bluetooth Receiver (Blue) Bluetooth Standard: Bluetooth V3.0+EDR Communication Range: 30 ft / 10 m Frequency Band: 2.4 ~ 2.480 GHz Support Profiles: Supports Enhanced Data Rate (EDR), Advanced Audio Distribution Profile (A2DP) 1.2, Hands-Free Profile (HFP) 1.5, Headset Profile (HSP) 1.1 Battery Capacity: 3.7V Li-Ion Battery