K33

Features:
1. Smart pop-up window, colorful breathing light
2. Bluetooth Smart 5.1, super stable connection
3. ACC decoding, stereoscopic decoding, support Dolby sound effect
4. IPX4 grade deep waterproof, durable
5.10 heavy charge protection, long-term use is not bad
6. Can be single or double, free to share

colour：black
Standby time：90h
Call duration：6 h
QTY: 20pcs / small box, 120pcs / large box