Wireless Bluetooth V4.1 Sunglasses Headset Smart Glasses With Speaker

Wireless Bluetooth V4.1 Sunglasses Headset Smart Glasses With Speaker

Features:

• Longest wireless range: 10meters
• Noise-signal ratio: 15 decibel resolution
• Frequency:2.4GHz2.4835GHz
• Talk time: 6 hours
• Stand-by time: 120 hours
• Receiver sensitivity: 0DBM(degree:11
• Encryption length: 128bits
• Charging time: 3 hours
• Certificate Authentication : CE,FCC
• Storage temperature:-20~60degrees