Luna is a wireless speaker using Bluetooth� wireless technology. Measuring just over 4 inches long, Luna is the perfect pocket-sized speaker guaranteed to make your brand the life of the party. Bluetooth� 5.0 with low-energy consumption. 30 ft Bluetooth connectivity range. Passive radiator for bass boost and 5-watt driver for rich & powerful playback. Built-in microphone for handsfree calls. More than 6 hours of playtime. Water-resistant for outdoor use. Non-slip scratch resistant base. Recharges via any USB power source with supplied cable. 4.2″ x 2.63″ x 1.06″ / 3.90 oz