ICY BOX BigCityVibes Bluetooth

Headset Icy Box Big City Vibes Bluetooth allows you to wirelessly listen to your favorite music in high quality. It features a wide frequency range, solid bass, and clarity of presentation. Do not mistake or microphone with Clear Voice Capture a one-call handling. Headset is optimized to help fit perfectly in my ears and was comfortable even during prolonged use. This indeed helps now 5 pairs of silicone earbuds in the packageWhich simultaneously seals the well and eliminate ambient noise.
Specifications:
Sound characteristics:
Frequency range: 20-20 000 Hz
Sensitivity: 91 db + -2 db
Microphone with CVC (Clear Voice Capture)

Wireless transmission:
Bluetooth 3.0
Switch: On./Off., Volume, forward/backward, voice
Power supply: Built-in rechargeable battery (DC 5 V)
LED: On (blue), weak power supply and charging (orange)
Design:
Color: black/green
Material: Plastic (rubber coated cable)
Store: intraaurální (in the auditory canal)
Construction: closed
Standard accessories:
USB charging cable
Pairs of ear adapters
Clip and Case
Manual