Innovative Technology Premium 5-Watt Bluetooth Outdoor Rock Speakers with A/C Adaptor and Built In Rechargeable 5200mAh Battery, Pair, Charcoal Built-in Bluetooth to wirelessly play music from your Bluetooth enabled device from up to 33 feet away. No cords needed Waterproof design will withstand the elements. Perfect for Deck, Pool or Patio Built-in rechargeable 5200mAh batteries last up to 10 hours on a full charge Pair of 5 watt speakers in a rugged design that blends in to the outdoors Includes 2 USB charging cables and 2 USB wall chargers