Product Description Wired/Wireless Connectivity: Advanced Bluetooth 5.3 chip allows connection to your device within a 10-meter range. The headphones come with a 3.5mm audio cable, meaning you can switch to wired mode for uninterrupted music. Noise Cancellation: Featuring ANC intelligent noise cancellation, it effectively isolates ambient noise, restoring clear sound quality for crystal-clear calls. All-Day Comfort: The headphones feature soft earcups for a marshmallow-like feel. Foldable leather earcups and an adjustable headband allow you to easily adjust the headphones to a comfortable fit for all-day comfort. Perfect Gift: These headphones make a great Christmas and birthday gift for boys, girls, family, and friends. Specifications: Bluetooth Version V5.3; Solution JL7008; Bluetooth Protocol: A2DPAVCTPAVDTPAVRCPHFPSPPSMPATTGAPGATTRFCOMMSDPL2CAP; PROFILE: Channel System: Dual Channel; Battery Capacity: 300mAh; Speaker Size: 40mm; Bluetooth Mode Playback Time: 24 Hours; Noise Cancellation Mode Playback Time: 17 Hours; Talk Time: 24 Hours; Charging Time: 2.5 Hours; Speaker Impedance: 32Ω; Speaker Sensitivity: 110dB±3dB; ANC Noise Cancellation: 22dB±3dB; Optimal Talk Distance: ≤1m; Maximum Transmission Distance: ≤10m; Wearing Method: Headband-style