J2 upgraded 3rd generation long-lasting model ANC active noise reduction headphones 400mah battery 24 hours long battery life + audio cable Features: 1: ANC active noise reduction, you can turn on active noise cancellation through the ANC switch 2: 40MM large unit speaker, with ANC noise reduction chip, it has long been a boutique headset 3: Upgraded 400mah capacity large battery, can continuously play music for 24 hours. Audio cable is provided. If the headset is out of power, plug in the 3.5mm audio cable to continue to enjoy music 4: Stainless steel telescopic headband + silicone head pad + protein leather case, comfortable to wear. Specification: .
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