Wireless Bluetooth Speaker for Smartphones

WIRELESS BLUETOOTH SPEAKER SPECIFICATIONS  Connection method: Bluetooth connection Interface type: USB Frequency response range: 100HZ-20KHZ Output power: below 10W Signal-to-noise ratio: ≥75dB Power supply mode: built-in lithium battery Channel: 1 Playing time: 6 hours Expandable Storage: 32GB Number of speakers: 1 Effective distance: 15 meters Operation mode: button Applicable people: general Display: none Shell material: plastic Whether to support APP: No Supported format: U disk Speaker adjustment method: button Whether there is a radio function: no Box material: plastic Appearance size: 160*126*148mm Product Weight: 0.365   Packing list: audio, manual, charging cable, 1 box each Package Type: Official Standard Color: Electroplating Blue Color: UV Black Color: Electroplated silver Power supply: USB Waterproof grade: IPX 4 Bluetooth version: 5.0 Shell process: UV/plating Built-in battery capacity: 1200mAh-2000mAh Battery capacity: 1200mAh Bluetooth protocol: 5.0