Cuifati Smart Glasses - Blue Light Filter V5.3+EDR 160mAh

Specifications: Item Type: Smart Glasses Material: TR Connection: V5.3+EDR Support protocol: HFP, HSP, A2DP, AVRCP Connection distance: approx. 10-15 m/32.81-49.21ft Microphone: Built-in Playing time: about 4 hours Talk time: about 5 hours Charging time: about 1.5-2 hours Standby time: about 100 hours Battery type: Built-in 160mAh Li-ion battery Packing List: 1 x Smart Glasses 1 x Glasses Cloth 1 x Glasses Box 1 x User Manual 1 x power cable. How to use: Connect after power on