Feature: 1. Plug-and-play design—simply connect and use immediately. Enhances smartphone speaker output for louder, clearer sound. 2. Easy pairing with no additional settings required—fast, reliable connection. 3. Amplifies audio output for an immersive listening experience. 4. Delivers both high volume and improved sound quality. Features a passive radiator to enhance bass response and overall audio performance. Multi-scenario use: music playback, navigation voice guidance, mobile gaming. Power control: long press to power on/off; short press to mute/unmute. Built-in rechargeable battery with micro-USB charging port. Audio playback does not drain the connected device’s battery. Charging time: 45 minutes. Play while charging. Up to 6 hours of continuous playback. Standby time: up to 240 hours. Specifications: - Speaker driver: 32mm - Frequency response: 80Hz–20kHz - Output power: 2W RMS (1KHz, 10% THD) - Signal-to-noise ratio: ≥80dB - Battery capacity: 250mAh - Color: Transparent - Material: Plastic - Note: Slight color or appearance variations may occur between batches—does not affect functionality. - Package includes: 1 x speaker, 1 x charging cable. - Note: Product color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3cm.