Listen to music and take calls from anywhere with this versatile waterproof Bluetooth speaker. Fitted with a suction pad, it can be firmly secured on surfaces like glass shower doors or glossy tiles, and fridge doors. You can also attach it to the back of your phone as a phone stand.10 ( d ) x 5.5 ( h ) cmABS & Silicone. Built-in microphone supports hands-free function.. Play back, song selection, volume adjustment, call pick-up / call end buttons.. Bluetooth 3.0 + EDR.. Visible distance 10M.. Power 5V.. Output: 3W.. Lithium battery.. 4 hours charging time.. 2 hours operating time.. Capacity: 300mAh. . IP x 4 grade waterproof.