Capacity: 800 mAh, Color: Black and Iron Grey, Connection Type: Bluetooth 5.0, USB digital audio, Cable Length/Type: 1.3 m, Weight: 214 g, Distortion: < 5%, Driver: 40 mm neodymium drivers, Frequency Range: 20 Hz - 20 KHz, Impedance: 32 Ohm, Power Requirement: Battery charger: < 600 mA, USB audio power consumption: Max 5 V / 50 mA, Sensitivity: > 111 dBm +/- 3 dBm, Audio Input: Bluetooth 5.0, USB digital audio, Maximum Operating Temperature: 40°C, Minimum Operating Temperature: 0°C, Maximum Relative Humidity (%): 95%, Minimum Relative Humidity (%): 20%.