Iqua Headset BHS-603 . Wireless range: 10 m, Bluetooth version: 2.0+EDR. Battery technology: Lithium Polymer (LiPo), Battery capacity: 110 mAh, Talk time: 200 h. Dimensions (WxDxH): 48 x 25 x 10 mm, Weight: 12 g. Operating temperature range (T-T): 0 - 55 °C. Charging time: 120 min