JBL has announced Pulse ($200), a wireless speaker featuring a customized LED light show. The Pulse delivers sound from two 40mm drivers and a built-in bass port, using Bluetooth stereo streaming with NFC. Pulse’s LED lights feature five pre-programmed patterns, but users can also program their own light shows by changing the patterns, brightness, and colors. JBL claims Pulse’s rechargeable Li-ion battery offers up to 10 hours of music in one…