Package Included:
1*Bluetooth Amplifier
1*Remote control

Feature:
Model:USB-50W
Name:Bluetooth Amplifier
1.Compact and Powerful Amp System
2.Built-in Bluetooth for Wireless Audio Streaming
3.Compatible with All Your Favorite Bluetooth Devices(For iPhone, Android, Smartphone, iPad, Tablet, PC, etc.)
4.SD Memory Card & USB Flash Drive Readers
5.Digital LCD Display Panel with Touch Button Controls
6.RCA Audio Input (L/R)
7.Dual mic Input Connector Jack
8.Compatible with Audio/Computerized Devices
9.Treble, Bass, Balance, Master Volume Adjustable
10.Includes Remote Control

Specificaton:
1.Power supply: 110-220V ± 10% 50Hz
2.Output voltage: 70-110V
3.Output power: 50W
4.Amplifier Type: HiFi
5.Frequency: 40Hz-16KHz
6.Then put the input, line input: -52db, -10db