The HoMedics HX-P310 Flow Rugged Wireless Speaker is splash proof: Splash proof: play your music by the pool, beach, tub or shower. The Flow features a durable construction with full silicone exterior. Speakerphone functionality for your iPhone, Android smartphone, or Bluetooth enabled device. Rechargeable battery lasts up to 8 hours. Wireless functionality works up to 30 feet. Aux-in jack for connecting non-Bluetooth devices.