Walkie Talkie Sunglasses, 500 meters range

This is the first of it's kind walkie-talkie sunglasses.Communicate in style with these multiple channel,long 500 meter operational range walkie talkie sun glasses. They come with a built-in battery for whopping to hours of talk time!. They are very versatile, well rounded and powerful communication device. Imagine going biking, skiing, motorcycling with friends or family and you can easily and effectively communicate without having to be nearby or having to shout to to talk. The best part is that it does not cost you to talk! It's FREE. Just one click and you are talking to one person or as many as 7 people! You can select a channel to talk to a specific person in a group. Very cool!

The design is novel, simple, fashionable, beautiful and practical. A great ideal tool for the outdoor enthusiast!

IMPORTANT:
This product only comes with a SINGLE walkie talkie camera. It will ONLY work with each other (up to 8 devices at once), not any other walkie talkie from another manufacturer. So you are better off buying two units to get them to work.

Features:
1) Fine unique style sunglasses, with polarized lenses. Blocks 100% UV A, UV-B, UV-C and harmful blue light.
2) The lens can be turned on, lightweight frame material offers all-day comfort.
3) The talk feature can be set for one to one only OR one to many at the same time
4) The effectifve communcation distance up to 500M (depening on the specific terrain case may be)
5) The use of rechargeable polymer lithium-ion battery, charging with automatic protection
6) Battery indicator, audio save power
7) Audio squelch, audio save power
8) The frequency paramerter: 409.75-410.1375MHz (customizable)

Specifications:
1) Transmit power: >55mW
2) Frequency error: <500Hz
3) Emission current: <90mA
4) Modulation Sensitivity: 20 ± 5mV
5) Modulation limiting: <2.4KHz
6) Modulation Distortion: <3%
7) Spurious emissions: <55dB
8) Receiver Sensitivity: -120dBm
9) Audio Output @ 32O receiver: >200mV
10) Audio distortion: <5%
11) Receive Current: <80mA
12) Shutdown current: <10uA
13) Operating voltage: 4.2V (800MAH)
14) Working time: 10 hours
15) Weight: 60g
16) Dimensions: 170mm x 160mm x 40mm
17) Operating Temperature: -20°C to + 60°C