Long 3D Whispering Wall Bluetooth Speaker Wireless Card Subwoofer Sound Blaster Family Speaker

Product information: Power supply: built-in lithium battery Frequency response range: 100HZ-20KHZ Play format: MP3 Whether there is a radio function: Yes Product weight: 0.85 Packing List: Speaker, Audio Cable, Manual Display: None Bluetooth version: 4.0 Brand: None Number of speakers: 2 Package Type: Standard Speaker adjustment method: button Waterproof grade: IPX 4 Function: card, radio, call function Whether to support one-piece delivery: Support Power mode: USB Color: BS28A (330 * 50 * 50mm) Built-in battery capacity: 1200mAh-2000mAh Bluetooth protocol: 4.0 Output power: 5W * 4 Connection method: card reader Interface type: USB Applicable scenarios: home, desktop, outdoor, home Shipping Logistics Company: Yuantong Appearance size: 550 * 50 * 50mm Channels: 2 Box material: metal Shell material: metal Operation mode: button Speaker Unit: 1 Play time: 8 hours Effective distance: 15 meters Supported formats: TF card Signal to noise ratio: ≥ 75dB Extended storage: 32GB Type: Bluetooth Speaker