Feature: 1. EFFECTIVE BLUE LIGHT FILTERING: Blue light filtering intelligent touch audio glasses use standard blue light filtering lenses, which can effectively resist the blue light generated by electronic devices such as computers and mobile phones, protect your eyes from blue light damage, prevent viewing loss and eye fatigue 2. SMART AUDIO: The glasses are equipped with a premium built in audio system that can provide you with a superior sound quality experience when answering a phone call or playing music, so that you can enjoy the fun of music while using the glasses 3. EXTENSIVE CONNECTION: Using bluetooth V5.3+EDR technology, the connection distance is 10‑15 meters, you can quickly and stably connect with mobile phones, computers and other devices, and answer calls or play music anytime and anywhere 4. LONG STANDBY: Smart glasses built in 120mAh lithium ion battery, only 1.5‑2 hours of charging time can guarantee about 200 hours of standby time, provide great convenience for your work and life 5. SIMPLE AND GENEROUS: Glasses are small in size, simple in design, made of PC material, lightweight and sturdy, can be adapted to various face shapes, whether work or leisure can show your taste Specification: Item Type: Smart Glasses Material: PC Connection Mode: Bluetooth V5.3 and EDR Protocol Support: HSP, A2DP, AVRCP Connection Distance: 10-15M Microphone: Built in Running Time: Approx. 3-4 hours Talk Time: About 5 hours Charging Time: Approx. 1.5-2 hours Standby Time: About 200 hours Battery Type: Built in 120mAh lithium ion battery . Package List: 1 x Smart Glasses 1 x Glasses Cloth 1 x Glasses Case 1 x User Manual 1 x Power Cord