GQCQGS K4 - Bluetooth 5.0 Blue Light Protection

Specification: Item Type: Bluetooth Glasses Material: ABS Colour: Black Functions: Bluetooth call, Bluetooth music, support for anti-blue glasses, compatible with consumer self-prepared myopia lenses Features: Fashion design, suitable for all kinds of people, detachable lens. The product is extremely light, the volume is clear, and the call effect is excellent How to Use: Button Speaker: semi-open stereo waterproof speaker Battery: Lithium polymer battery: 110mAh Bluetooth: 5.0 Charging Method: USB Charging Time: 2-3 hours Use Time: About 4h (100% volume) Package List: 1 x Bluetooth Glasses 1 x USB Cable 1 x Glasses Cloth 1 x Storage Bag 1 x Chinese and English Manual Note: Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.