Compact and powerful speaker: Built in a 57mm speaker that delivers clear sound in a compact unit, easy to carry for outdoor activities or emergencies. Seamless wireless connectivity: Two wireless technologies provide reliable streaming from up to 10 meters away. Supports multiple media formats: TF card and USB playback let you enjoy music from cards or USB drives. Essential flashlight functionality: Multifunction flashlight with short press for normal light and long press for a brighter beam. Hand crank power option: Manual hand crank powers the device when batteries are low or unavailable. Durable and portable design: Compact, sturdy enclosure built for outdoor use and convenient packing. Use scenarios: Camping or hiking: listen to music while you set up camp and use the light after dusk. Power outages or emergencies: crank to generate power and stay informed with radio and light. Travel or car kit: compact tool for entertainment and illumination on the go.