Iqua Bluetooth wireless headset BHS-302 black. Wireless range: 10 m, Bluetooth version: 2.0+EDR, Bluetooth profiles: Hf - 1.5 / Hs - 1.1. Battery technology: Lithium Polymer (LiPo), Battery capacity: 120 mAh, Talk time: 9 h. Dimensions (WxDxH): 52.5 x 22 x 14 mm, Weight: 17 g. Operating temperature range (T-T): -10 - 60 °C, Storage temperature range (T-T): -10 - 60 °C. Charging time: 180 min