Wireless Bluetooth Sunglasses with Music Playback.

■Bluetooth Version: V5.0+EDR
■Frequency Range: 2402-2480MHZ
■Transmission Power: Class 2
■Bluetooth Support Protocol: HSP/A2DP/AVRCP
■Transmission Distance: 10-15 meters
■Music Playback Time: About 4 Hours (80% Volume)
■Talk Time: About 5 Hours
■Charging Time: 1.5-2H
■Standby Time: 160 Hours (Bluetooth Connection Status)
■Battery Capacity: 3.7V/60mAh*2
■Product Material: PC Panel + TR Frame
■Weight: 40g
Size: About 158*153*52mm