XT-6 magnetic suction 001 bluetooth headset hanging neck sports mobile phone universal in-ear headset
Bluetooth protocol: 4.1
Transmission range: 10 meters
Channel: stereo
Whether single or double ear: bilateral stereo
Applicable gift-giving occasions: advertising promotions, anniversary celebrations, business gifts, opening ceremony, awards commemorative
Function: battery display, call function, NFC function, voice control, support music
How to use: earplug style