Function: insert card, radio Applicable scenarios: desktop, outdoor, home, mobile portable, live broadcast, outdoor lawn Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Frequency response range: 60Hz-15KHz Output power: 5W Signal to noise ratio: 70db Built-in power supply: lithium battery Channel: 1Play time: 8 hours Extended storage: 32GB Bluetooth protocol: 5.0 Number of speakers: 1 Effective distance: 10 meters Operation method: button Applicable crowd: General Display: None Shell material: plastic Whether to support APP: No Support format: U disk/TF card Speaker adjustment method: buttons there is a radio function: yes Box material: plastic Appearance size: 159*91*143mm Product weight: 0.38 (KG) Power source: USB Waterproof rating: not waterproof Built-in battery capacity: 500mA-800mA Battery capacity: 1200 mAh