HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Need more than 1? Get a bulk buy discount up to 20% off Wireless transmitter And Receiver Can Be Used For Electroacoustic Instruments Such As Guitar Bass Violin And So On. Features: Feature Of Product: Wireless Transmitters And Receivers Can Be Used For Electro-Acoustic Instruments Such As Guitars Basses Violins Etc. Ultra-High Frequency 730Mhz Acoustic Transmission Anti-Interference Ultra-Short Delay. Supports Simultaneous Use Of 4 Sets Of Equipment With A Maximum Transmission Range Of Up To 50 Meters. Built-In Rechargeable Lithium Battery Long Working Time Equipped With Usb Cable Easy To Charge. Plug And Play Simple To Use Small Size Light Weight Easy To Carry. Specification: Audio Response Range: 20Hz-20Khz Frequency: High Frequency 730Mhz Transmission Range: Max.50M (Barrier-Free); 30M (Through The Wall) Transmission Delay: Less Than 4Ms Power Supply: Built-In 3.7V 600Mah Rechargeable Lithium Battery Charging Time: 2 Hours Continuous Use Time: 6 Hours Charging Port: Micro Usb Product Size: 114.51.5 Cm/ 4.31.80.6In Packing Size: 17.510.55Cm / 6.94.12In Package Weight: 250G8.8Oz You Will Receive: 1 * transmitter 1 * Receiver