•This set features 2 Poi in 1: The Poi set includes both UIltraSocks and an UltraLeash so you can set up your poi in 2 different ways; it’s like having 2 sets of poi in 1! A completely modular design that can be customised to your preference. •World’s First Light up poi swinging Handles: Ultrapoi created the only Micro USB Rechargeable LED Handle in the world and it’s amazing! The UltraKnob is Super Bright and Durable which will allow you to explore new moves and light shows. •Pick Your Own Colours: What really separates the Vortex Poi from the pack is the ability to fully customize your light trail patterns with just a button. Choose from 15 stunning colors. •12 Mesmerizing Flashing Patterns: Combine as many colours as you want at a time and match them with one of our 12 gorgeous flashing pattern options. •6 Beautiful Colour Modes: Tons of stunning preset color modes available to explore and they can all be adjusted to add style to your spin. •Lifetime Manufacturer's Warranty: UltraPoi will exchange any defective Helix Poi free of charge for as long as you own it. Lifetime Warranty does not cover general wear-and-tear or any misuse by the user including loss, theft, intentional breakage or gross misuse of the product. •Vortex Poiw/ UltraKnobs Specs: 5" height x 3" diameter | 180g per poi head | Requires 2 Replaceable or Rechargeable AAA Battery per poi head (not included) | UltraKnob is 23g, 38 mm wide, 28 mm tall, 2032 battery cell (included - but we do not supply a Micro USB cable. This is however widely available and completely universal). •What’s in the package: 2 x UltraPoi LED Balls 2 x Vortex Cases 2 x UltraSocks 2 x UltraKnob LED Handles 1 x UltraLeash 1 x Gear Bag (Fully assembled, no setup required)