Stereo Ear Hook Headset: Bluetooth 5.0,high-fidelity transmission stable and fast, Noise Reduction,non-inductive delay. Bluetooth protocol: A2DP/ AVRCP /HFP/HSP. A6 Wireless Over-Ear Headphones: Made of Skin-friendly and lightweight ABS plastic, ergonomics, conveniently storage, stable and not easy to fall.
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