WS-50 adopts digital UHF radio frequency wireless transmission technology. With strong anti-interface ability and stable signal transmission, it is perfect for stage performance of guitar or bass players.   Features: Digital wireless system(transmitter + receiver) for musical instruments like electric guitar, bass, etc.  Adopts UHF wireless technology, with strong anti-interface ability and stable signal transmission, less than 2ms delay.  Supports using multiple wireless systems at the same time without interfering with each other, and effective transmission range is up to 50M.  220° rotatable 6.35mm plug, suitable for different musical instruments and device, super flexible to use.  Built-in rechargeable lithium battery, long working hours; comes with a dual-ended USB cable for conveniently charging the transmitter & receiver simultaneously.   Specifications: Frequency Response Range: 30Hz-16kHz;  Frequency Range: UHF 500-900MHz;  Dynamic Range: ≥90dB;  Transmission Range: Max.50M (No obstacle);  Transmission Delay: Less Than 2ms;  Power Supply: Built-in rechargeable lithium battery(3.7V 600mA);  Charge Port: Micro USB;  Item Size: 9.3 * 4 * 2.9cm / 3.7 * 1.6 * 1.2in;  Item Weight: 77g/ 2.7oz(transmitter + receiver);  Package Size: 14 * 12.5 * 3.5cm / 5.5 * 4.9 * 1.4in;  Package Weight: 228g / 8oz;   Package List: 1 * Transmitter;  1 * Receiver;  1 * USB Charging Cable;  1 * Users' Manual(English & Chinese)