Iqua Wireless Headset BHS-333 . Wireless range: 10 m, Bluetooth version: 2.0+EDR. Talk time: 6 h, Standby time: 150 h. Dimensions (WxDxH): 48 x 19 x 12 mm, Weight: 10 g. Operating temperature range (T-T): 0 - 55 °C. Charging time: 120 min