Wireless foldable headphones with built-in microphone and volume control. This wireless headset was engineered for your superior music experience and phone calls on-the-go. Due to energy-saving technology, stable Bluetooth 4.2 connection and memory foam in ear pads, the headset is handy even during long-time city walks. The headset is compatible with all types of modern devices supporting bluetooth. Balanced noiseless sound. 6 hours of battery life. Micro-USB charge input. Sensitivity: 103 Db ± 3 Db. Impedance: 32 Ohm. Frequency: 20 Hz - 20 kHz. Included 0,16 m USB cable. Dimensions: 74 x 166 x 181 mm. Weight: 235 g. Colour: Blue