communication: bluetooth 5.0
bt profiles: hfp, hsp, spp, a2dp, avrcp
range: up to 10 m
frequency: 20 hz - 20 khz
built-in battery: 2200 mah docking station, 45 mah headphones
charging time:. docking stations about 2.5 hours, headphones about 1.5 hours.
duration: about 4 hours
resistance: 32 ohms