niceEshop(TM) Wireless Bluetooth 3.0 Waterproof Outdoor Shower Speaker With Mic(Blue) High-fidelity ?45mm antimagnetic speaker units with full frequency Fit all cell phones with bluetooth function IP65 Waterproof, dustproof, portable, it is suitable for outdoor use With powerful sucker for easy use at any place It starts bluetooth automatically and transfers hi-fi stereo acoustic signal within 10m