K1 with a nylon portable storage box ▼

Open the storage box, you can see the K1 glasses and the two attached lenses. Of course, relevant instructions and data lines are also indispensable ▼

K1 accessories include a velvet bag, mirror cloth, USB cable, polarizer test piece and two pieces of lens ▼

The schematic diagram of polarizer, together with an attached test piece, shows that the image of a fish can be seen from the upper polarizer, while the normal ▼

From the front, K1 is not very different from ordinary sunglasses. It adopts half frame design ▼

The brand logo is printed on the right side of the glasses, the earphone is linked below, and the ear hook has a dedicated earphone slot ▼

Configuration of headphone deployment ▼

There are three buttons on the top, namely the On key and the Volume key, which can realize Bluetooth connection and volume control function ▼

There is a microUSB interface at the bottom, which can charge the Bluetooth headset ▼

The product model is printed on the right side of the glasses, which is actually a touch area. By clicking, sliding back and forth and other operations, you can play/pause, next song, connect/hang up the phone and other functions ▼

K1 is very simple to use. It is no different from the general Bluetooth headset. As long as you turn on the signal on the headset and use the mobile phone to search for it, it can be used normally ▼

Support call and media services ▼

After dialing the phone, you can see the logo of Bluetooth headset connection in the upper left corner ▼

Wear live pictures:

Revo lens ▼

Brightening yellow lens ▼

TAC polarized black lens ▼

Right button can control the volume ▼

The left touch control area controls the functions of calling and music playing ▼