Nokia BH-220 Luna. Bluetooth version: 2.1+EDR, Bluetooth profiles: HFP, HSP, Headset connectors supported: microUSB. Ear coupling: intraaural. Talk time: 8 h, Standby time: 35 h. Dimensions (WxDxH): 25.31 x 24 x 26.36 mm, Weight: 5 g. Operating temperature range (T-T): -15 - 55 °C