Brand: Portronics Model: Muffs M8 Product Type: Wireless Over-Ear Headphone Colour: Black Driver Size: 40mm Dynamic Driver Bluetooth Version: 5.4 Wireless Range: Up to 10 metres Playback Time: Up to 50 hours Active Noise Cancellation: Yes Noise Reduction: >20dB Frequency Response: 20Hz–20kHz Dual Pairing: Yes Microphone: Built-in Charging Port: USB Type-C Charging Time: Approximately 3–4 hours Wired Connectivity: 3.5mm AUX Design: Foldable Ear Cushions: Soft memory foam cushions with protein leather cover Headband: Adjustable Controls: Power, ANC, volume and track controls Voice Assistant: Supported