Features:

1. Bidirectional 4-mic array, precise call pick-up, deep environmental noise cancellation (Dual-mic ENC call noise reduction)
2. Up to 21 hours of total listening time, up to 6 hours of listening time with one charge (21h long battery life)
3. BT 5.3 flagship chip, significantly improved anti-interference capability, fast & continuous connection (BT 5.3 chip)
4. 13mm titanium diaphragm dynamic speaker with lightweight & large diameter, delivering powerful bass, clear treble & lossless audio (13mm large dynamic speaker, delivering lossless sound)
5. Lightweight half in-ear design, single earphone weighs only 3.2g, giving you a comfortable & painless wearing experience (3.2g lightweight design, comfortable wearing experience)
6. Two-way transmission technology, seamless switch between monaural & binaural mode (Free to use single or both earphones)
7. IPX4 waterproof, easily defend against splash, sweat & rain (IPX4 water and sweat resistant)