Bluetooth Headphones V4.1 w / MIC

- Equipped with internal Li-Po battery 400mAh

- Power: USB 5VDC 1A, consumption: 0.5W

- Internal MIC, ANC - blocks external noise

- MIC sensitivity: -36dB, USB connection and Jack

- Charging time: up to 2.5h, autonomy: up to 25h