• 4-Mic Noise Cancelling & CVC 8.0
• Superior Stereo & Premium Sound
• Extended 40H Playtime & USB-C Quick Charge
• Stylish Touch Control & Wide Compatibility.

Specification : 

• Bluetooth Version: Bluetooth 5.0
• Play Time: 4 Hrs (TT 40Hrs)
• Battery: 55mAH x2+650mAh
• Charging Time: About 1-2 hrs. 
• IPX8 Waterproof
• DC port: Type C
• Driver: Φ6mm Dynamic