Feature: 1. Plug-and-play design—simply connect and use immediately. Enhances phone speaker volume up to 5x for greater o impact. 2. Upgraded connectivity—no setup required. Fast, one-second pairing for effortless use. 3. 5x sound amplification delivers immersive o performance. 4. High-volume output combined with improved sound quality. Features a passive radiator for richer bass and enhanced clarity. Multi-scenario use: music playback, navigation alerts, mobile gaming. Control: Long press power button to turn on/off; short press to mute. Built-in rechargeable battery with Micro-USB charging port. o playback does not drain phone battery. Supports simultaneous charging and playback. Specifications: Note: A 3dB increase in sound pressure level represents a doubling of perceived loudness. Speaker driver: 32mm, FO ≤80Hz Output power: 2W RMS (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 Slight appearance variations between batches do not affect functionality. Package Contents: 1 x Speaker 1 x Charging cable