Color:Anti blue lens Note:There may be an external sound,please pay attention to the protection of personal privacy. Please avoid using it when bathing, swimming, or in the rain. Do not attempt to disassemble or change any part of the product. Feartures: 1.Lenses is detachable 2. Comfortable The product weighs only 32 grams,the wearer hardly to feel the presence of glasses; and ergonomic design, the headphones can be adjusted position. 3. Security a. Ears free. Not stuffed when wearing, ear can easily listen to music when you hear the sound of traffic around, guarantee travel safety; b.Hands free. Bluetooth links, easy to operate, can receive wireless calls on the glasses. 4. Health Product Information： Bluetooth:4.1. Can be connected with mobile phones, computers and other Bluetooth devices,support a drag two, A2DP, APTX function. standby time:10 days, playing music for about 3-4 hours (depending on the volume and sound source varies), continuous call for about 4-5 hours. Communication range:up to 10 meters (accessibility). Battery: rechargeable lithium battery (250mAh/3.8V), 2 hours to complete charging. Speaker type: bone conduction technology speaker. Optical power: 1W*2. Speaker sensitivity: 102 + 3dB Microphone sensitivity: -40 + 3dB. Frequency range: 100Hz ~ 20KHz. Product Size:155*144*49mm. Product weight: 32g (including sunglasses) Operating environment: temperature: -10 C ~ 50 C, humidity: 0 ~ 90%. Waterproof grade: IP67 .(waterproof is not diving) Charger interface: Micro-USB Charger input: AC 110V/220V, 50/60Hz Charger output: DC 5V, MAX 1A Package Content: 1x Bone conduction glass 1x USB cable for charging 2x Transparent resin lens Model 1x English User Manual 1x Anti skid raised nose pad
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