Herdio 6.5" 600 Watts Ceiling Speakers Wireless Home Recessed Speaker System Perfect for Indoor,Kitchen,Home Theater,Bedroom,Office,Covered Patio4 Speakers

Wireless Serise Connection: TWS function lets you pair 4 speakers for a powerful surround sound. (the HOST speaker and SUB speaker will automatically link with each other within 6 seconds after you turn on both, simple and easy to use)
100FT RANGE. Advanced 5.0 ensures more stable and instant pairing compared to 4.2 and lower; maintains a strong connection up to 100 ft unobstructed away from your device; 3.5 mm aux in jack for connecting devices
Flush Mount DesginCompact flush mount design for simple easy installation in-wall / in-ceiling, or pre-cut speaker openings, for in home use, office, professional, or custom audio applications on any flat surface.
Mounts on Ceilings: Total
Speaker Diameter: 7.5 " (19cm)
Cut-Out Diameter: 6.3 " (16cm)
Total Speaker Depth: 3.15 " (8cm)
Mounting Depth: 3.15 " (8cm)
What';
s in the box: 6.5 " speakers x 4, Speaker Connection Wires x 4 Amplifier Box x 2, Power adapater X 2