Transmission range of 15m

Long battery life, call function, music support, digital display screen

Bluetooth Protocol 5.3

Usage: Earplug style

Is it mono - or binaural stereo sound

Color: Black

Battery life 4-8 hours (hours)

Waterproof performance IPX4

Material ABS

Charging compartment size: 80.8 * 55 * 30.7mm

Earphone size: 24 * 16.8 * 14.5mm