Iqua UFO. Headphone sensitivity: 110 dB. Talk time: 8 h, Standby time: 220 h. Dimensions (WxDxH): 110 x 110 x 33 mm, Weight: 150 g. Operating temperature range (T-T): -10 - 85 °C. Signal-to-Noise Ratio (SNR): 60 dB, Compatibility: Telephone, Frequency range: 2.4-2.4835 GHz ISM Band