Check the listing for details. Pi-Top PULSE Speaker w LED Matrix for Raspberry Pi & Pi-Top Laptops ACPUWT100000. Condition: New. Listed at 8.99 USD. Condition: NEW Warranty:Prime 30 Day Warranty Pi-Top PULSE Speaker with LED Matrix for Raspberry Pi & Pi-Top Laptops ACPUWT100000 Features LED Light array• 7x7 programmable RGB LED (49) Matrix• Fully configurable and easy to program - use Python to make patterns and pictures• High refresh-rate makes it perfect for animations that synchronize to sounds - either from the speaker, or the in-built microphone• 7 more LEDs are concealed around the board for fun - 3 on the bottom and 4 under the speaker grill - to put on a spectacular show of color and sound Speaker• 2 watt 4 Ω speaker Microphone• Designed to integrate with Amazon Alexa, for a fully interactive ’smart’ cloud-based voice service• Raspberry Pi 3 and pi-top add-on compatible. Chassis• Dimensions: 67 x 60.5 x 15 mm (LxWxH)• Weight: 40.5 g• 4 magnetic feet for pi-top and pi-topCEED• 2 magnetic-spacers for Raspberry Pi 3• White injection mould ABS plastic• Raspberry Pi 3 and pi-top add-on compatible