Blinkee Blue LED Patrol Light Wand

Walmart - KART IT

Cylindrical tube shape matches, Emits a solid blue light, consistent with source, Handheld light stick design matches, No visible brand in source, and this product is from a generic novelty brand, which is consistent, Overall form factor and function align perfectly

360° LED Tube Handheld Wireless Light Stick Atmosphere Light Rechargeable for Dance Studio Live Streaming

Flyachilles

Cylindrical tube shape, Emits uniform blue LED light, Handheld design, Description 'Atmosphere Light' aligns with video context, Rechargeable and wireless features are common for such devices, 360° light emission matches diffused appearance

LED Light Up 16 Inch Foam Stick Baton

Party Glowz

Cylindrical shape, Emits blue LED light, Handheld, Diffused light emission