1. High-fidelity Bluetooth amplifier, 1000 meters remote control2. Supports Bluetooth connection and can also be used as a Bluetooth speaker3. With USB/TF card slot, you can directly insert a U disk/TF card to play songs, and supports a variety of mainstream audio formats4. Using a 3.58-inch dual voice coil strong magnetic speaker, the sound quality is powerful yet delicate. The sound is loud, can be used over a long distance, and is clear and noise-free.5. The intelligent noise reduction chip (dedicated for loudspeakers) is used to produce lifelike sounds, restore human voices with high authenticity, and achieve noise reduction effects, allowing you to reduce noise worries.6. The remote wireless remote control is more sensitive, farther and easier to use, with 360-degree omnidirectional reception without blind spots.7. Widely used in: square dancing, outdoor performances, promotional activities and other occasions8. Equipped with a portable camouflage bag, made of thickened fabric, waterproof and wear-resistant9. Equipped with high-definition LCD display to view working conditions in real timeParameters:1. Power: 48W2. Frequency response: 80Hz-12KHz3. Sensitive impedance: 4 ohms4. Speaker: 3.5 inches5. Battery: 1800mA.7.4V6. Working hours: 10-20 hours7. Charging time: 3-5 hours8. Product size: 98 x 133 x 50mm9. Remote control power supply mode: AA battery (battery not included)Specification: Package Weight One Package Weight 0.73kgs / 1.61lb One Package Size 20cm * 12cm * 8cm / 7.87inch * 4.72inch * 3.15inch Qty per Carton 30 Carton Weight 21.00kgs / 46.30lb Carton Size 43cm * 42cm * 55cm / 16.93inch * 16.54inch * 21.65inch Loading Container 20GP: 268 cartons * 30 pcs = 8040 pcs40HQ: 623 cartons * 30 pcs = 18690 pcs