Experience powerful sound in any location with the D2A Audio Radiance-1 Loud Portable Bluetooth Speaker. Featuring patented Sound Emergence technology, this device emits an incredible volume level without distorting the audio. Additionally, the Radiance-1 speaker comes with 4 EQ settings along with Bass control, allowing you to customize it for your ears. It also features a 3.5mm stereo input jack so you can connect music instruments such as guitars, keyboards, portable DJ setups, and smart home devices. Offering hours of play time on a single charge, it makes it easy to take sound with you. In fact, the Radiance-1 provides more than 12 hours of play time on a single charge and charges in around 2.5 hours. Weighing just over 11 pounds, the speaker is lightweight and comfortable enough to carry wherever you like. Finally, thanks to the powerful onboard battery and USB port, you can charge your smartphone on the go.