Transmission range: 10 meters
<br />Functions: support music, voice control, phone, NFC function, power, according to a multipoint connection, the take function
<br />Bluetooth protocol: 4.1
<br />Track: stereo
<br />Method of use: hang ear type
<br />Whether the single and double ears: unilateral hands-free
<br />Applicable gift-giving occasions: opening ceremony, birthday, awards ceremony, wedding, advertising promotions, business gifts, anniversary celebrations, public relations planning, fairs, festivals, employee benefits, the move
<br />Color: black, white