Nokia BH-505. Bluetooth version: 2.1+EDR, Bluetooth profiles: A2DP, AVRCP, HFP, HSP, Headset connectors supported: 2.0mm charger. Ear coupling: intraaural. Dimensions (WxDxH): 125 x 137 x 58.5 mm, Weight: 36 g. Operating temperature range (T-T): -15 - 55 °C