Specifications:
It is ergonomically designed to fit the ear canal more comfortably.
8 mm high-quality speakers provide excellent sound quality and comfortable listening, and give you a comfortable listening experience for an audition feast
Functions: Noise reduction, power display, call function, music support, multi-point connection, others
Bluetooth protocol: 5.3
Channel: Stereo
Usage: Earplug type
Mono and binaural: Bilateral stereo

Packing list:
Full set of standard equipment: Host x1 pair, charging bin 1, usb cable x1, instruction x1, ear cap 5 pairs, packaging x1