TWS Bluetooth Speaker IPX4 Waterproof Rechargeable Portable Mini Subwoofer Music Player 1. Portable design: small and round shape (diameter 76mm × height 77mm), weighing only 190g, with silicone hanging rope, easy to carry with you; 2. Matte texture body + non-slip foot pad, comfortable to hold, stable, and not slipping 3. IPX4 waterproof: no fear of rain splashing, outdoor camping, sports, and fitness, kitchen, and bathroom can be used with confidence (Note: cannot be immersed in water). 4. High-definition sound quality: 45mm large waterproof speaker, 4Ω3W surging output, 60Hz-16KHz wide frequency response, full bass, clear vocals, easy to control a variety of music styles 5. Smart interconnection: Bluetooth 5.0 technology, 10-meter stable connection, support TWS dual-machine interconnection (two speakers play simultaneously), one-click answering, hands-free calls are clear and smooth Parameters: 1. Material: PlasticTPESilicone 2. Power supply: USB-C 3. Bluetooth version: 5.0 4. Channel mode: Mono 5. Speaker specifications: Diameter 45MM, 4Ω3W x 1 6. Bluetooth distance: greater than 10M 7. Frequency response: 60Hz-16KHz 8. Charging parameters: 5V 0.5A MAX 9. Battery capacity: 1200mah