Guaranteed software updates until 12 30 2025 Wireless Bluetooth Headphones Over Ear, 70H Playtime, HiFi Stereo Headphones with Deep Bass Microphone, Connect to two devices Wired/Wireless Headphones: 1.Baseus proprietary atmospheric audio technology BISA (Baseus Immersive Spatial Acoustics): Based on the HRTF (head-related transfer function) for human ears, drastically improves the sense of direction coming to the ears and the spatial immersion of the sound field by reproducing the auditory algorithm of stereo sound. Spatial Audio brings you the 3D sound stage, just like in reality. .
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