Bluetooth, cordless, rechargeable, durable, and waterproof, the Smart & Green BALL is a classic from Smart and Green. Its perfect design fits all spaces and provides a modern and elegant style for your terrace, garden, or pool. Its wireless Bluetooth SmartMesh® technology allows you to control your lamps via your smartphone or tablet… for more freedom. You can connect unlimited lamps covering up to 1mile. Smart & Green Smart & Green Ball 14" Battery Powered Integrated LED Color Changing Outdoor