Model: SDG3 Product: Wireless Smart Glasses Why you need these glasses Listen to music, take calls, and stay aware of your surroundings without blocking your ears. Bone conduction and builtin audio speakers deliver sound while leaving ears open for ambient noise. Lightweight and ergonomic design makes them comfortable for daily wear, sports, commuting, and hands phone use. Simple controls and Bluetooth 5.0 compatibility make pairing and operation straightforward with most Bluetooth devices. Key benefits and standout features Dual audio delivery: bone conduction vibrator plus audio speakers for clear sound without isolating the ears. Stable Bluetooth 5.0 wireless connection and broad protocol support including A2DP, AVRCP, HFP, and HSP for music streaming and hands calling. Touch control and onebutton multifunction key for power, pairing, track previous/next, play/pause, and call handling. Battery and charging: USB charging input DC 5V 1A with fast charging. Charging time about 1.5 hours. Portable and light: net weight approximately 33 g for allday comfort. Durable and sweat resistant: ergonomic frame construction designed for active use and everyday wear. Smartphone battery level display: earphone power state can be shown on a connected smartphone for convenient monitoring. Technical specifications Model number: SDG3 Bluetooth: 5.0, working range up to 15 m Bluetooth modes and profiles: headset and hands modes; supports A2DP, AVRCP, HFP, HSP Speaker type: bone conduction plus audio speaker; 12.5 mm bone conduction vibrator Frequency: 2.4 GHz Play time: approximately 3 to 4 hours (depending on use) Standby time: approximately 80 to 240 hours (depending on battery version and usage) Battery capacity: listed values 110 mAh and 160 mAh (product may with either capacity) Charging input: DC 5 V 1 A; charging time about 1.5 hours Net weight: 33 g Lens options: black, blue, nightvision lens Frame color: black; additional model color choices available in black, white, red, and pink Controls: touch function plus one multifunction button for power and pairing Practical use scenarios Urban commuting: Stream navigation prompts and calls while remaining aware of traffic and surroundings. Outdoor exercise: Listen to music or take calls while cycling or jogging without blocking environmental sounds. Office and remote work: Manage calls and media with quick touch controls, keeping ears for conversations and situational awareness. What is included 1 wireless smart glasses (model SDG3) 1 glasses case 1 spectacle cleaning cloth 1 glasses bag 1 USB charging cable 1 user manual Notes on operation To power on and pair, press the multifunction button as described in the user manual. Follow pairing instructions to enable battery level display on supported smartphones. Performance such as play time and standby may vary by battery capacity and usage patterns. These wireless smart glasses combine bone conduction audio, traditional speakers, and Bluetooth 5.0 connectivity in a lightweight frame designed for everyday and active use.