Product name:LED Glowing Guitar Pick Product Size:4 * 4cm/1.57*1.57in Thickness: 0.5mm/0.02in, 0.75mm/0.03in, 1.0mm/0.4in Battery: 40mAh Light Power Consumption: 9mw Battery Power: 240mw Light Color: White Light, Green Light, Light Working Principle: Contact Light Continuous Use Time: 120h Product color: As shown in the figure Product Material:Food-Grade Plastic product features: 1. Dazzling Colourful Illuminated Guitar Plectrum: This auto illuminated guitar plectrum emits a stunning white, green orpurple glow, adding a touch of magic to your performance. 2. ENHANCED VISIBILITY: The illuminated guitar plectrum ensures excellent visibility on stage, allowing you to effortlessly capture your audience's attention and create a mesmerising visual experience. 3. PERFECT GIFT FOR MUSIC ENTHUSIASTS: This light-up guitar plectrum is a great gift for guitar and bass lovers. Its unique design and vibrant lights are sure to impress any musician or music lover. 4. VERSATILE USE: Whether you are playing in a concert, gig or improvisation, this light up guitar plectrum is suitable for ALL types of music. It adds a cool and glamorous to your playing 5. AUTOMATIC This guitar plectrum can automatically recognise when you are using the light on and will automatically turn off the light when you are not using it. Precautions: 1. As we know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1pc LED Glowing Guitar Pick