Bluetooth: V4.2 Material:ABS Support function:HSP,HFP Frequency Response:2.402-2.480GHZ Rated power:60mW Sensitivity(SPL): 93+-3dB Operating distance: up to 10m (free space) Talk/Music time: 3 hrs Standby time: 48 hrs; Charger time: 1.5 hrs CTN G.W.:11.5KG; CTN SIZE: 60*35*50cm