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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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Matrix & vector calculations: Advanced operations for higher-level math
2 m (in‑line volume control built in cord)
wipe the ear pad
and portability—all backed by Koss’s Lifetime Warranty
SWAY Halo LED Bluetooth Speaker cat_speakers "availability":"https://schemaThe SWAY Halo LED Bluetooth Speaker combines powerful 10W audio performance, dynamic LED lighting, and rugged portability into one compact device. Designed for classrooms, events, and everyday listening, this speaker delivers clear sound, wireless convenience, and visual flair in a durable, splash resistant build. With Bluetooth 5. 3 connectivity, long battery life, and immersive LED lighting effects, the Halo speaker is perfect for engaging learning
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