The OneDer S2 is a compact, foldable wireless headset that combines Bluetooth 5.0 streaming with AUX, FM radio, TF (microSD) and USB playback for flexible listening and hands-free calls.
Designed for commuters and remote workers, it lets you switch from phone streaming to offline sources to save battery or avoid spotty reception. Use a TF card for offline playlists on transit, plug in AUX on long flights, or join virtual meetings with the integrated mic.
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Multi-mode playback: Bluetooth 5.0 (~10 m), FM tuner, TF card, USB drive, and 3.5 mm AUX.
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Hands-free calling: Built-in microphone and on-ear call controls for meetings and calls.
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Portable design: Lightweight (≈120 g) and foldable headband for compact storage.
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Controls: On-ear buttons for track, volume and call handling without a phone.
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Battery: Rechargeable internal battery with up to 5 hours continuous play.
Light specifications: colors—black or gray; ports—USB, TF slot, 3.5 mm jack.
Fit: On-ear cushions and adjustable headband fit most adult head sizes; folds flat for storage.
