Model: hbq-i7s tws
color: black, white, red, gold, rosegold.
transmission distance: about 12m
wireless frequency: 2.4ghz
bluetooth version: v4.2+edr
battery capacity: headset 65mah,charging box 950mah
standby time: about 100hrs if one earbud on,60hrs if both earbuds on
playing/talking time:using one earbud:5-6hrs,using both earbud:4-5hrs.
charging time: 1-2 hours
wearing style: in-ear
impedance: 32ω
mic sensitivity: 42db
profiles: a2dp1.3/hfp1.6/hsp1.2/avrcp1.6/d11.3
radio frequency: 2.402-2.480ghz
charging voltage: dc 5v