Outter Smart

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♫ 【Excellent Stereo Sound Quality】 True wireless headphones with 10mm vibrating diaphragm and HD reproduction technology produce incredible sound quality with crystal clear highs. Enjoy your music everywhere, even in a noisy environment.
♫ 【Easily switch between mono and dual channel modes】 Bluetooth wireless headphones do not have master headphones, no longer need to use a fixed earphone for single ear mode and easily switch between single ear mode and binaural mode. Meet your usage requirements for different occasions.