Enjoy rich, room-filling 360° sound with big bass from the UE Ultimate Ears Boom 4 Raspberry. Use EQ mode in the UE BOOM app and switch on Outdoor Boost to keep music clear in noisy outdoor settings. The speaker delivers up to 15 hours of battery life, is IP67 floatable and water- and dust-proof, charges via USB-C, and supports Bluetooth connectivity (4.0–5.2). Pair with BOOM, MEGABOOM, EPICBOOM and HYPERBOOM speakers for bigger sound. Dimensions 20.00 x 12.30 x 10.30 cm, weight 0.81 kg. Includes USB-C cable and quick start guide; UE BOOM app download required. Covered by a 24-month manufacturer warranty.