Feature: 1. Plug and play—no setup required. Simply connect and use immediately. 2. Instant pairing—connect in one second with no complicated configuration. 3. 5x sound amplification for enhanced audio immersion. 4. High-quality sound output with improved clarity and depth, thanks to a built-in passive radiator. 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 interface. Supports simultaneous charging and playback. Specifications: Speaker unit: 324Q2W Resonant frequency (Fo): ≤80Hz Output power: RMS 2W × 1 (THD ≤10%, f = 1kHz) Frequency response range: 80Hz–20kHz Signal-to-noise ratio: ≥70dB Battery capacity: 250mAh Playtime: up to 6 hours Charging time: approximately 45 minutes Standby time: ≥240 hours Color: Transparent Material: Plastic Note: Slight color or appearance variations may occur between batches due to manufacturing differences—this does not affect functionality. Note: Color representation in images may vary slightly depending on screen settings and lighting conditions. Note: Measurement tolerance: ±1–3cm.