Bluetooth speaker

▸ Wireless Connection: Bluetooth 5.0 Transmission Technology
▸ Audio Performance: 3W Output Power | 100Hz-18kHz frequency response range
▸ Storage expansion: MicroSD card slot (up to 32GB)
▸ Power supply configuration: built-in 1200mAh lithium battery (8 hours battery life)
▸ Product Structure: Zinc alloy shell | Integrated control panel