Digital Wireless Transmitter Receiver Wireless Digital Transmitter Receiver JOYO JW-01 2.4Ghz Features: Lightweight Compact Design Extremely Responsive 2.4Ghz Digital Pick Up Transfer Microphone Input with Gain Easy Set Up, No Manual Tuning or Programing Required Rechargeable Lithium Battery Low Battery LED Warning System High-quality voice, all digitals, 2.4G Audio Transmission distance is 20 to 30 meters, while 50 meters outside the room. Unlike Analog Audio, it will not be influenced by external signals or phones. Signal to Noise and Distortion 87dB Support "One-to-Many".(one to one, one to many amplifiers) Battery: Lithium battery (included,lasting for 6 hours long or longer after being charged for 1-2 hour). Adapter USB cable included. Shot delay time. Easy to use, just plug and play! Specifications: Frequency: 2.4G Digital Audio Transfer Effective Distance: Up to 20-30 Meter (Indoor), Up to 50-80 Meter (Outdoor Controlled) Power: Lithium Rechargeable via USB or 5v DC (Included) Connections: Straight 1/4?Male Connection. Mic 1/8? Input Colour: Black Dimensions: (Transmitter) 65 (H) x 52 (W) x 25 (D) mm, (Receiver): 92 (H) x 42 (W) 25 (D) mm Pacakage includes: 1 x Transmitter 1 x Receiver 1 x USB Cable Rugged System, at a great price!!! No Duty to Canada and USA FAST 'N FREE USA Shipping Ships from Canada