Specifications:Built-in microphone, enjoying hand-free call.This bluetooth-compatible speaker has LED flashing effect during playback.IPX4 waterproof level, you can place it in bathroom and enjoy music when you bathing.Adopt high quality audio decode chip, let you experience perfect sound quality.Item Name: bluetooth-compatible SpeakerMaterial: ABSWaterproof: IPX4Bluetooth-compatible Version: 4.0 + EDRSpeaker Standard: 50mm, 16 Core Dual MagnetRated Power: 3WTransmission Distance: 10mBattery Capacity: 400mAh (Included)Rated Voltage: DC 5VTF Card: Support (Not Included)FM Radio Function: SupportBluetooth-compatible Call: SupportFeatures: Waterproof, Rechargeable, Portable, with LED Light, with SuckerDiameter: 88mm/3.46", Height: 35mm/1.38" (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 USB Charging Cable