ONVO AJ-66 Blue Portable Wireless Bluetooth 4.0 Speaker Powerful Sound for Apple Devices & Smartphones Clear, full-range sound you might not expect from a compact speaker Pairing your devices easier than ever Up to 4~6 hours of music from rechargeable lithium-ion battery Wireless connection to your smartphone, tablet or other Bluetooth-enabled device Supports Wireless Music Streaming via New Bluetooth v4.0 Technology