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 Speaker Material: ABS Waterproof: IPX4 Bluetooth Version: 4.0 + EDR Speaker Standard: 50mm, 16 Core Dual Magnet Rated Power: 3W Transmission Distance: 10m Battery Capacity: 400mAh (Included) Rated Voltage: DC 5V TF Card: Support (Not Included) FM Radio Function: Support Bluetooth Call: Support Features: Waterproof, Rechargeable, Portable, with LED Light, with Sucker Diameter: 88mm/3.46inch;, Height: 35mm/1.38inch; (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 Speaker 1 x USB Charging Cable 1 x User Manual