Functions: power display, call function, music support
Add LOGO: Yes
Bluetooth Protocol: 5.0
Channel: Stereo sound
Usage: Earplug type
Single and binaural: two sided stereo
Color: W3 black 1200 milliamps + data cable + ear cap,W3 white 1200 milliamps + data cable + ear cap,W3 black 2200 mah + data cable + ear cap,W3 white 2200 milliamps