K1 Blue-tooth Sunglasses

Features: Can be accessed by phoneFashion sunglasses, lenses can be used with a variety of functions (TAC polarized lenses for fishing; graced yellow lenses and look cool bright lens) And mobile phones, tablet and other products ButtStereo headphonesThree-color selectionAdjustable ear hook, suitable for different people Specifications: Model: K1Product Name: Bluetooth SunglassesColor: Passion metallic red, black onyx classic, elegant Pearl WhiteBluetooth specification: V2.1 EDRFrequency range: 2.402-2. 480GHZBluetooth chip: CSRTransmission power: Class 2Bluetooth profiles: Headset, A2DP, and AVRCPTransmission distance: 10 metersMusic playback time: about 4-6 hoursTalk time: about 4-6 hoursCharging voltage: USB DC5VCharging time: about 2-3 hoursWeight: about 40gPackaging: a voice controlled Bluetooth smart glasses