Ultra-light earphones with a Bluetooth interface for wireless music playback from any smartphone, tablet, and computer that offer high wearing comfort and best sound quality. Connected smartphones and mobile phones can use a built-in microphone and talk-answering keys that designate the headphones for use as a speakerphone. In addition, the headphones also offer a vibratory alarm that announces incoming calls as well as an LED that turns blue in that case. The economical design and extremely light weight of just 30 g provide high comfort and make it possible to forget that you wear any headphones. Proximity to the ear drum has a tremendous advantage as more sound waves will be reach the ear. In addition, this construction allows for greater isolation of ambient noise. When the headphones are not used, they can be easily placed in the magnetic holder. The headphones come with a built-in lithium-ion rechargeable battery, which provides up to 8 hours of operation. For recharging, they can be easily connected via a USB port to a computer or notebook, and the battery is fully charged after about 1-2 hours. They are ideal for sports use as a fitness workout and important long-term phone calls. The USB charging cable is included in the package. Frequency range: 20 Hz - 10 kHz. Sensitivity: 105 dB. Impedance: 32 Ohm. Black and orange colour design.