1) Sensitivity micro bluetooth speaker      
2) With suction cup, enable adsorb on the wall      
3) Support Iphone, ipad and most of Bluetooth audio device      
4) Call pick up/hang up function, when you bathe, won't missed any call.       
5) Built in li-ion battery capacity 400mAh      
6) Waterproof Level IPX6      
7) With voice reminder function.      
8) Main material:ABS,accord with CE&ROHS standard  

bluetooth Version: 3.0      
RF range: 10M      
Frequency response: 100Hz-20KHz      
Playback time: 3-6hours      
Charging time: 3 hours      
Charging input: DC 5V      
Microphone sensitivity: -40dB      
THD≤1%      
Loud speaker output: 3W