Recycled ABS and natural cork — Bluetooth version: 5. 0Bluetooth frequency: 2. 4 GHzMaximum operating range: 10 metresInput power: DC 5 VOutput power: 10 mWSNR: 95dBEarphones battery: 35 mAhCharging case battery: 300 mAhOperating time: 4–5 hoursImpedance: 32ΩDistortion: less than 1%Charging case, rechargeable via included Type-C cablePresented in an eco-design box. Instruction manual available in 6 languages: Spanish, English, French, Italian, Portuguese and German.