Sanpyl Smart Bluetooth Sunglasses - UV400 360 Surround Sound

Spec: Item Type: Smart Glasses Material: TR Connection: Bluetooth V5.3+EDR Protocol Support: HFP, HSP, A2DP, AVRCP Connection Distance: Approx. 10-15M / 32.81-49.21ft Microphone: Built in Playback 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 lithium ion battery How to Use: Connect to Bluetooth after powering on PackageList: 1 x Smart Glasses 1 x Glasses Cloth 1 x Glasses Box 1 x User Manual 1 Cord