Featuring advanced V5.0 technology, this bamboo speaker enables faster and more stable connections while ensuring lower power consumption. It has wide compatibility and pairs from up to 30 feet away. A built-in 400mAh rechargeable battery supports up to 4 hours of playtime at 50% volume with a full charge. With IPX4 waterproof, the speaker is resistant to mild water spray and splashing, you can enjoy your favorite music without any worries at the beach or by the pool. Samples available. Complies with Prop 65. 2.4" W x 2.4" H x 2" D