Specifications:There are various functions including voice prompt, radio, card, call function, alarm clock function, display screen and colorful flashing lights.Equipped double speaker and independent diaphragm, it has stereo surround sound, super bass effect and can restore various game sound effects.The colorful spectrum lights will flash with the rhythm which is very cool.Equipped with HIFI chip, FM chip, alarm clock chip and lighting management chip which multifunctional.There is digital karaoke function in TF card/U disk mode.Item Name: bluetooth-compatible SpeakerModel: M5Material: PlasticBattery Capacity: 2500mAh(Included)Frequency Response: 20-20KHzOutput Power: 5W x 2Signal to Noise Ratio: 80DBTF Card Expansion Storage: 32GB (Not Included)Bluetooth Version: 5.0Effective Distance: 10 MetersFile Format: MP3, WAV4 Playback Modes: Bluetooth, TF Card, U Disk, AUX-INFeatures: Voice Prompt, Broadcast, Card Insertion, Hands-FreeSize: 17.5cm x 7.35cm x 5.4cm/6.89" x 2.89" x 2.13" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Speaker1 x Audio Cable1 x Charging Cable1 x User Manual