Frequency response (Microphone) 150 Hz – 11 kHz (Super wideband) 150 Hz – 7.0 kHz (Wideband) 300 Hz – 3.5 kHz (Narrowband) Master carton dimensions (H x W x D) 810 x 450 x 180 mm / 31.89 x 17.71 x 7.09 in Unit pack/end user 1 Package weight 859 g / 30.5 oz Temperature Range Operational: +5 °C to + 45 °C/+41 °F to +113 °F Storage: -20 °C to + 70 °C/-4 °F to +158 °F Charging time 0 - 100 %: 1.5 hours 0 - 50 %: 30 minutes Standby time Up to 44 hours Talk time Up to 14 hours (Narrowband) Up to 12 hours (Density optimized wideband) Up to 9 hours (Super wideband) Frequency response (Headphones) 150 Hz – 11.5 kHz (Super wideband) 150 Hz – 6.8 kHz (Standard wideband and High density wideband) 300 Hz – 3.5 kHz (Narrowband) 20 Hz – 12 kHz (Ultra wideband - music mode) Package dimensions (H x W x D) 172 x 172 x 122 mm / 6.77 x 6.77 x 4.80 in Units in distributor master carton 8 Master carton weight 10252 g / 361.6 oz