Computer Surround Dual-speaker Subwoofer Bluetooth Speaker, BS-28A

1. Standby time: 240 hours2. Bluetooth transmission distance: 10 meters3. Output power: 5W x 24. Transmission frequency: 2.5GHz5. Supported audio formats: MP3/WMA/WAV/FLAC/APE6. Input modes: USB flash drive, TF card, 3.5mm AUX7. Charging: DC5V/1~2A micro USB8. Speaker: 52.5mm 4Ω/5W9. Transmission power used: 1.49mW10. Frequency response: 20Hz~20kHz11. Signal-to-noise ratio: 80dB12. Equipped with two 5W stereo speakers + dual-sided bass reflex port design, unleashing the charm of sound and making beautiful sound quality ubiquitous.13. Utilizes Bluetooth 5.0 technology to achieve high-efficiency, high-fidelity, and high-stability wireless connection, free from power cord constraints, instant pairing, and more comfortable listening.14. 15. Built-in antenna, supports frequency bands 87.5~10816. Built-in 2000mAh high-capacity aluminum polymer battery, fast charging, safe, and longer playback time17. Easy one-handed operation, perfectly sized18. Automatically reads audio files from USB flash drives, TF cards, etc., allowing for easy song switching; simply insert a card to play, with excellent sound quality19. Supports AUX connection, compatible with computers, MP3 players, TVs, and other devices with a 3.5mm standard audio jack20. Silicone buttons, skin-friendly texture, silent pressing, soft and not stiff21. Silicone feet, highly effective shock absorption, stable and non-slip on inclined surfaces22. Weight: 420g23. Size: 230x50x50mmSpecification: Package Weight One Package Weight 0.53kgs / 1.18lb One Package Size 37cm * 10cm * 10cm / 14.57inch * 3.94inch * 3.94inch Qty per Carton 9 Carton Weight 5.90kgs / 13.01lb Carton Size 39cm * 32cm * 32cm / 15.35inch * 12.6inch * 12.6inch Loading Container 20GP: 667 cartons * 9 pcs = 6003 pcs40HQ: 1550 cartons * 9 pcs = 13950 pcs