Bluetooth Speaker with Four Speakers and USB Power

Connect via Bluetooth 4.2 with an effective distance of 15 meters. This Bluetooth speaker has four speakers, an output power of 5W × 4, and a frequency response range of 100Hz–20kHz. Use button controls to operate card, radio, voice prompt, and call functions. MP3 and WMA playback formats are supported, with 32GB expansion storage. The plastic housing measures 490 × 50 × 50mm and has no display. A built-in lithium battery provides 8 hours of playing time, with USB power supported. A remote control, charging cable, audio cable, and manual are included. - Connection: Bluetooth 4.2 - Effective distance: 15 meters - Number of speakers: 4 - Output power: 5W × 4 - Frequency response: 100Hz–20kHz - Signal-to-noise ratio: ≥75dB - Power supply: Built-in lithium battery - Power mode: USB - Playing time: 8 hours - Expansion storage: 32GB - Playback formats: MP3, WMA - Controls: Buttons - Functions: Card, radio, voice prompt, calls - Shell material: Plastic - Dimensions: 490 × 50 × 50mm - Weight: 1.2kg - Display: None - Color: Black - A packaging: Color box - B packaging: Air column bag Product category: Electronics & Accessories. Listed options: Black-A-USB; Black-B-USB; Black-E Whole set-USB; Black-F Whole set-USB; Black-G Whole set-USB; Black-H Whole set-USB; Black-I Whole set-USB. Condition: New.