Item Type: Mini Bluetooth SpeakerMaterial: Aluminum AlloyBuilt in Battery: Lithium Battery 450mAhBluetooth: V5.0Package List1 x Bluetooth Speaker1 x Charging Cable1 x Lanyard1 x Manual1Bluetooth 5.0: The Bluetooth small speaker is compatible with all Bluetooth enabled devices. Connect instantly to your smartphone or tablet from up to 30 feet away. Automatically reconnects to the last used device. 2Long Range Transmission: This small bluetooth speaker is full and powerful, your phone or music source can still output up to 90+ decibels volume up to 12 meters (36 feet) away, enjoying crystal clear music anytime, anywhere. 3Portable: Out of the box, this mini bluetooth speaker will give you up to 23 hours of continuous listening on a full charge, and the included power cord is compact and convenient. The included lanyard is easy to carry. 4Applicable: Mini waterproof wireless speaker can be carried with you, built in microphone for hands free calls. Great for outdoors, hiking, beach, dorms, kitchens, bathrooms, boats, carts and more. 5Perfect Gift: This smallest Bluetooth speaker is perfect for any music or podcast listener in your life. Compatible with any Bluetooth enabled phone, tablet or computer. Fits for iOS, and any other phone or computer.