•Wired & Wireless Connection: Advanced Bluetooth 5.3 chip offers a connection within 10m of your device. The headphone comes with a 3.5mm audio cable, meaning you can switch to wired mode and enjoy your music non-stop •Noise Reduction: Adopting ANC intelligent noise reduction design, it can isolate the noise from the environment to restore clear sound, making you enjoy crystal-clear voice •All-day Comfort: The headphone has soft earpads. You will be able to experience a marshmallow-like softness texture on the ear cushions. The foldable leather earmuffs and adjustable head beam make it easy to adjust the headphone to your preferred fit for all-day comfort •Nice Gift: This headset is an excellent gift for Christmas and birthdays, for boys, girls, family, and friends Specification: •Bluetooth version: V5.3 •Solution: JL7008 •Bluetooth protocol: A2DP/AVCTP/AVDTP/AVRCP/HFP/SPP/SMP/ATT/GAP/GATT/RFCOMM/SDP/L2CAP PROFILE •Channel system: dual channel •Battery capacity: 300mAh •Speaker size: 40mm •Bluetooth mode play time: 24h •Noise reduction mode play time: 17h •Talk time: 24h •Charging time: 2.5h •Speaker impedance: 32Ω •Speaker sensitivity: 110db±3db •ANC noise reduction: 22db±3db •Optimal talk distance: