Transmission range: 10 meters 
Features: support for music 
Custom processing: 
Bluetooth protocol: 4.0 
Channel: Stereo 
Use: earbud 
Applicable gift-giving occasions: advertising and promotion, business gifts, holiday, housewarming, birthday, wedding, awards commemorate fairs, anniversary celebrations, the opening ceremony, employee benefits, public relations planning 
Color: black, white, blue, orange