Denash Smart Bluetooth Cycling Glasses

Spec: Item Type: Cycling Bluetooth​ Sunglasses Material: TR90, PC Weight: Approx. 132g / 4.7oz Connection: Bluetooth​ V5.0 and EDR Protocol Support: HFPS A2DP AVRCP Connection Distance: 10-15M Microphone: Built in Playback Time: About 3-4 Hours Talk Time: About 5 Hours Charging Time: About 1.5-2 Hours Standby Time: About 200 Hours Battery Type: Built in 130mAh Lithium Ion Battery How to Use: After boot, connect Bluetooth​ to use packing list: 1 x Cycling Bluetooth​ Sunglasses 1 x Glasses Cloth 1 x Glasses Box 1 x User Manual 1 xPower Cord