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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Matrix & vector calculations: Advanced operations for higher-level math
2 m (in‑line volume control built in cord)
and portability—all backed by Koss’s Lifetime Warranty
lightweight true-wireless earbuds designed for “always-on” listening in modern learning and work environments
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SWAY Halo LED Bluetooth Speaker cat_speakers Matrix & vector calculations: AdvancedThe 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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