TaoTronics Bluetooth Speaker Waterproof with suction cup (Bluetooth 3.0, handsfree, integrated microphone, A2DP / AVRCP) (Electronics)
I could also try this Bluetooth speaker. Let's start with the externals to: Matt Black, rubberized surfaces acting, actually a real Händeschmeichler. Diameter approx 8,5 cm, height 5 cm with suction cup. Diameter of the suction cup: 7,5 cm, strength: