TF Card Playback Insert a memory card and switch to TF card mode to play the prestored music directly from the card. This provides convenient offline listening without needing a phone. Hands Calling Onekey answer lets you take calls without holding the phone. Clear, hands conversations for safer, easier communication. Compact Size, Big Volume Small and portable yet capable of delivering strong sound. Easy to carry and suitable for use by a small group in both indoor and outdoor settings. Bluetooth 5.3 Builtin Bluetooth 5.3 chip with low power operation. Improves connection reliability and stability for quick pairing and steady wireless playback. FM Radio Builtin digital radio chip provides stronger signal and access to more stations. A headphone jack allows private listening with fidelity sound when you want it. Use scenarios Home and office listening Pair via Bluetooth for hands calls or streaming music. Use TF card playback to listen offline, or switch to FM radio for background media. Outdoor and travel Compact design makes it easy to carry on outings. In outdoor spaces or gatherings, share music with a small group while keeping calls hands. Incar or shared spaces Connect to a smartphone via Bluetooth for hands phone use while on the move, or rely on TF card playback for offline music during commutes. The builtin radio adds a flexible listening option in any setting.