Item Type: Bluetooth Small Speaker Material: Aluminum Alloy Built in Battery: Lithium Battery 400mAh Bluetooth: V5.0 Package List 1 x Bluetooth Small Speaker 1 x Charging Cable 1 x Lanyard 1Bluetooth 5.0 Technology: Mini speaker is compatible with all Bluetooth enabled devices. Instantly connect to your smartphone or tablet from up to 30 feet away. 2Auto Connection, Hands Free Calling: Bluetooth small speaker automatically reconnects to the last device used. Built in microphone for hands free calls. 3Wide Application: Bluetooth speaker is easy to carry and perfect for outdoor, hiking, beach, dorm, kitchen, bathroom, boat, golf cart, etc. 4Superior Sound Quality: Bluetooth speaker with clear, superior sound quality, turn on and play your favorite music immediately. 5Long Standby Time: Portable bluetooth speaker can listen continuously for up to 23 hours with one full charge. 6Accessories: Bluetooth speaker comes with a power cord, compact and convenient. Connects to your phone to prevent loss.