Transmission range: 10 meters
<br />Function: support music, voice control, call function, power display
<br />Bluetooth protocol: 4.1
<br />Channel: Stereo
<br />Use: ear plug type
<br />Whether single binaural: bilateral stereo
<br />Applicable gifts occasions: opening ceremony, birthday, awards commemorative, wedding, advertising promotions, business gifts, anniversary celebration, public relations planning, trade fairs, festivals, employee benefits, move
<br />Colors: White, Black 
<br />Weight: 13g
<br />Waterproof and dustproof: IP54
<br />Life time: 5 hours of normal volume
<br />
<br />Package:
<br />1*Earphone