Description
Model: i9s automatic pairing (with pop-up window)Bluetooth version: V5.0Speaker: high quality copper ring speakerChip: True Stereo ChipPlay time: 2-3 HHeadphone battery capacity: pure cobalt 40 mAhCharging box battery capacity: pure cobalt 400 mAh (with protective plate)Effective distance: 10+MHeadphone weight: 33g (including charging box), 7g (a pair of headphones)The whole set of weight: 113g
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