Feature: 1. Plug and play, one-shot connection—simply plug it in and use it. The phone's loudspeaker is five times louder, delivering powerful sound. 2. Upgraded and innovative design with plug-and-play functionality—no settings required. Fast and convenient pairing with one-second connection, eliminating complicated steps. 3. 5x amplification increases volume and enhances audio-visual experience, immersing your ears in the scene. 4. Not only high volume but also high sound quality. The built-in passive radiator improves both volume and audio clarity, providing a rich, full sound experience. Multi-scenario application: ideal for listening to music, hands-free navigation, and mobile gaming. Control: Long press to power on/off, short press to mute. Power: Built-in battery with fast charging and independent power supply design. Equipped with Micro-USB charging interface. Audio playback does not consume phone battery. Charges in 45 minutes, supports continuous use while charging. Specifications: Note: "A 3dB increase in decibel value means the sound intensity is doubled." Speaker: 324Q2W, FO≤80Hz Output Power: RMS 2Wx1 (THD ≤10%, F=1KHz) Frequency Response Range: 80Hz–20KHz Signal-to-Noise Ratio: ≥65dB Battery Capacity: 250mAh Working Time: Up to 6 hours Charging Time: 45 minutes Standby Time: ≥240 hours Color: Clear Blue / Clear Black / Clear Material: Plastic Note: Product appearance may vary slightly by batch; this does not affect performance. Package Contents: 1 x Speaker 1 x Charging Cable Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowed within +/- 1–3 cm.