Audio Sunglasses Smart Bluetooth Headphone

Upgrade the Bluetooth , faster and more stable: automatically connect after booting, excellent sound quality, stable compatibility, and stable connection. Professional, waterproof and sweatproof: with precision craftsmanship, it has waterproof performance, reaching ip67 level, effectively preventing the splash of domestic water, Han water, and short-term soaking. Plenty of power and longer battery life: It comes with a large-capacity dual battery 220mAh, standby for about 7 days, and charging for about 2 hours.