Divoom Airbeat-10 Wireless Bluetooth Ultra Portbale Water Resistant Bicycle/shower Speaker for Smartphones,tablets,laptops,color Black High Definition Bluetooth V3.0 to wirelessly stream Hi-Fi audio anywhere you go from your smartphone or other device. Water resistant and solid-build for the outdoors and indoors. Special Surface Resonating technology turns any hard flat surface into an extra subwoofer, the real innovation of sound for small speaker. Utilize the built-in Waterproof microphone and enjoy hands-free calls anywhere in your home, office, car and even on your outdoor weekend adventure. The bluetooth speaker Included bike mount and suction cup makes you enjoying music easily in any circumstances.