Features: [Bluetooth 4.1& Built-in Microphone]-Equipped with two 40mm large dynamic drivers and Bluetooth 4.1 technology, the headphones provide a more stable transmission speed, lower latency, and superior audio output, delivering an exceptional music experience [Long Battery Life and Dual Mode]Enjoy music all day with up to 8-10 hours of playtime in Bluetooth mode. With a longer battery life compared to other brands, our headphones make your journey more comfortable and enjoyable. Never worry about running out of battery during long commutes or extended listening sessions .
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