Allinone playback options This portable radio supports Bluetooth for wireless streaming, USB playback, TF card playback, and headphone output, providing flexible listening without changing devices. The unit is designed to accommodate diverse listening preferences with simple, reliable operation. Emergency SOS function A dedicated SOS alarm button enables a quick alert in emergencies. When activated, a flashing light and audible signal help draw attention and request assistance when needed. Bright LED flashlight Builtin LED flashlight provides dependable illumination for nighttime use, camping, or power outages, helping to improve visibility and safety in dark environments. Adjustable carrying strap The adjustable strap offers comfortable carrying on the shoulder or in your hand, making the radio easy to carry during outdoor activities or travel. Key attributes at a glance Function: Bluetooth, USB, TF card, and headphone playback for versatile listening Compatibility: Works with Bluetoothenabled devices and supports USB drives and TF/microSD cards Size: Compact and portable design suitable for outdoor use and travel Performance: Reliable playback, clear alert signals, and bright builtin illumination Convenience: Adjustable carrying strap enables hands transport Use scenarios Camping and hiking: Stream music via Bluetooth or play from a TF card or USB drive while you set up camp, then switch to the flashlight for afterdark tasks. Power outages or emergencies: Use the SOS alarm for help requests and rely on the LED flashlight to navigate in darkness. Road trips and daily use: Choose your preferred listening method (Bluetooth, USB, or TF card) and remain able to listen with headphones if desired, all in a compact, portable package.