Product Descriptionspeaker, bluetooth speaker, bath speaker, wireless speaker,Mini speaer, portable speaker, mini bluetooth speaker, computer speaker, mobile phone speaker,Built-in audio and visual experience with programmable LED lights that pulse to your music - wherever you want it to beWireless Bluetooth stereo streaming with NFC for use with any Bluetooth - enabled smart devicesPre-programmed and custom-programmed light themes controlling brightness and colour, pulsed to your music SpecificationsName Pulse speakerColor Black, white, blue, redSize 80*180mmWeight 400gBattery 3.7V/1200mAHWork time 3-5 hoursCharge time 4 hoursInput connections 3.5mmSignal-to-noise ratio 95DBFrequency Response 2.402-2.480GHZFeatures:Quality sound and wireless light show for portable playback Built-in multi-colour LED light show that pulses to your musicControl colour, brightness, or download more light themesWireless Bluetooth stereo streaming with NFCRechargeable Li-ion battery for 5 hours of portable wireless funSimplified set-up, easy connection