Iqua Bluetooth wireless headset BHS-306 silver. Wireless range: 10 m, Bluetooth version: 2.0+EDR, Bluetooth profiles: Hf - 1.5 / Hs - 1.1. Acoustic system: clip-on. Battery technology: Lithium Polymer (LiPo), Battery capacity: 120 mAh, Talk time: 9 h. Dimensions (WxDxH): 53 x 20 x 11 mm, Weight: 17 g. Operating temperature range (T-T): -20 - 60 °C, Storage temperature range (T-T): -20 - 60 °C