Technical Data 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