One Driver with Two Bass Diaphragms:Bbluetooth speakers designed with compact body delivers 5W clear sound,and well designed at both end of the small speaker with two passive bass diaphrame and colorful light.Good listening exprience and atmasphere starts with having the pretty speaker.Compact Size and Light WeightThe Wireless Speaker is portable and compact,only under 8 ounces,4.5" long and 3.15" in max diameter;and also equipped with lanyard,convenient to take with for hiking,jogging,biking,camping,travelling.A good sound gift for kids or friends,bringing warmth and happines.A good sound gift for kids or friends,bringing warmth and happiness.Longer Playtime Bluetooth SpeakerThe playtime of Portable Speaker is up to 10 hours at 2/3 volume without light.You can enjoy music with your friends or famillies when outdoors.The playback time is affected by the type of music and the volume level and the colorful light is on or off.You can turn off the light by long press the "M" button.Support Multi Playing ModesThe small speaker comes with TF card slot ( supports WAV / MP3 format ), 3.5 AUX input port,USB flash-disk port,Type-C powered port.You can Choose the favorite music playing mode at ease.Support 2 Connections in SyncSupport true wireless stereo functions on bluetooth playing mode. If you like the speaker for a louder volume, you can connect 2 speakers wirelessly for double 5W Louder stereo sound.