Feature: 1. Plug and play—simply connect and use immediately. Enhances phone speaker volume for clearer, more immersive sound. 2. Easy setup—no configuration required. Fast, reliable pairing for seamless operation. 3. Amplified audio output delivers enhanced clarity and depth, improving the overall listening experience. 4. High-quality sound performance with a passive radiator design that boosts both volume and audio fidelity. Multi-scenario use: music playback, navigation voice guidance, mobile gaming. Control: Long press to power on/off; short press to mute/unmute. Built-in rechargeable battery with Micro-USB charging interface. Audio playback does not drain the connected device’s battery. Supports simultaneous charging and playback. Specifications: Speaker: 32mm, FO ≤80Hz Output power: RMS 2W x 1 (THD ≤10%, F=1kHz) Frequency response: 80Hz–20kHz Signal-to-noise ratio: ≥85dB Battery capacity: 250mAh Playtime: Up to 6 hours Charging time: Approximately 45 minutes Standby time: Up to 240 hours Color: Transparent Material: Plastic Note: Appearance may vary slightly between batches—functionality remains unaffected. Package Contents: 1 x Speaker 1 x Charging Cable