Herdio 6.5" 4 PCS 600 Watts Ceiling Bluetooth Speakers Home recessed Speaker System perfect for, Kitchen,Bedroom,Bathroom,Covered Patio

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; 3.5mm aux in jack for connecting devices Flush Mount Desgin：Compact 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 19 cm (7.5 inches), cut-out diameter 16 cm (6.3 inches), speaker depth 8 cm (3.15 inches). What's in the box : 4 speakers, 4 speaker connection wires, 1 amplifier box, 1 power adapter.