X7 Outdoor Portable Dual Speaker Wireless Bluetooth Retro Portable Speaker(Black)

1. Stereo series, shocking double bass2. Large-capacity battery, long-lasting battery life3. 3D stereo sound, TF card playback, TWS interconnection, AUX wired connection, FM radio, smart compatibility4. Built-in high-definition speaker, hands-free calling5. Key operation, clear at a glance6. Bluetooth 5.0 chip, fast connection, stable transmission, low power consumption7. Waterproof grade: IPX 28. Input voltage: DC 5V9. Input current: 1A10. Output power: 8W x 211. Battery capacity: about 1200mah12. Power supply mode: USB charging / built-in lithium battery13. Playing time: about 8 hours14. Charging time: 2-3 hours15. Frequency response range: 40-20000Hz16. Bluetooth version: 5.0+EDR17. Number of speakers: 218. Function: card, radio, dustproof, voice prompt, call function19. Signal-to-noise ratio: greater than or equal to 75dB20. Transmission range: 10 meters21. Packing list: speaker + hand strap + manual + charging cable + audio cable + packing box22. Size: 16.5x7x9cm23. Weight: about 630g