Key benefits Flexible connectivity: Pair phones or tablets over Bluetooth with a transmission range up to 15 meters, or connect directly using AUX, U disk, or USB sound card. Works with a wide range of audio sources so you can play music from streaming apps, MP3 players, or USB drives without extra adapters. Reliable outdoor and mobile performance: Builtin boost circuit and compatibility with DC9 power supply deliver steady output when you need more drive for outdoor use or mobile setups. Simple, safe control: Multifunction button provides oneclick play/pause, easy track switching, and quick mode selection so you can control playback without complicated menus. True stereo when paired: Combine two units to create left and right channel stereo for clearer spatial positioning and a more immersive listening experience. Features and compatibility Inputs supported: Bluetooth (up to 15 m), AUX, U disk, USB sound card. Power: Compatible with DC9 power supply; includes builtin boost circuit for improved performance in mobile and outdoor environments. Controls: Multifunction button — singleclick play/pause, skip tracks, and switch modes. Stereo capability: Pair two speakers to separate left and right channels for enhanced spatial audio. How it solves common problems No adapter scramble: Multiple input options let you connect almost any device directly. Consistent volume outdoors: The boost circuit and DC9 compatibility provide stronger, more consistent output in open or noisy environments. Easy operation on the move: Onebutton control reduces distraction and makes playback management fast and reliable. Improved audio imaging: Dualunit pairing solves the 'flat' sound of single speakers by delivering distinct left/right channels. Practical use scenarios Backyard gatherings or small outdoor parties: Wirelessly stream playlists from a phone at distances up to 15 meters, or plug in a U disk for offline music. Mobile presentations and events: Use AUX or USB sound card inputs for a laptop or microphone setup, and rely on DC9 power for stable performance. Fitness classes or street performances: Quick onebutton controls and the option to pair two units for stereo make setup and operation straightforward on the move. What to expect A speaker designed for outdoor and mobile applications with multiple ways to connect, simple controls, DC9 power compatibility, and the option to pair two units for left/right stereo sound.