Wireless earphones with active noise cancellation (ANC), so you can concentrate on the main tasks of your day or just relax and listen to your favourite music without external noise.Material: Recycled ABS (100% rABS)Transmission: BT v5'4Input: USB-CCapacity: earbuds 50 mAh, charging case 500 mAhApproximate battery life: earbuds 10 hours combined 40 hoursCharging time: 2 hoursFrequency response: 20-20KHzSignal-to-noise ratio: 102 dBSensitivity: 112dB+/-3dBHarmonic distortion: 3%Impedance: 32ΩSpeaker diameter: 8 mmSound power: 5 mWFeatures: ANC, ENC, and Transparency modesIncludes: USB-A/USB-C cable, 3 pairs of silicone adapters in different sizesPackaging: kraft paper gift boxDimensions: 60 x 47 x 25 mm | Case: 62 x 32 x 74 mm