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Features: 1. Smart glasses design, integrated Bluetooth headset, sunglasses in one, functional innovation. 3.Both sides of the large-capacity battery, long battery life, a full charge can be continuous listening to songs for 5 hours. 4. External speaker design, close to the ear, not only to ensure privacy and avoid discomfort into the ear. 5. Wearing and listening to external sound at the same time, more safe for outdoor use. Parameters: Material: plastic Size: 155mm wide, 135mm leg length, 50mm height Lenses: sunglasses lenses Bluetooth version: V5.2 Connection distance: within 10 metres Sound transmission: external Open Microphone: Bulit-in Internal battery: 110 mAh Charging time: approx. 1-2 hours Charging cable length: 25cm Charging indicator: red light always on Life time: approx. 4-6 hours Push button: 2 Tone toggle: short press volume+ twice when the phone is on and not connected Package includes: 1xSunglasses Bluetooth headset 1x Chinese and English manual 1x Micro usb charging cable
2. Ergonomic design, light weight, comfortable to wear, long time use without discomfort.