10 Channels:wireless audio transmission system with a updated 10 channels,can support up to 10 sets of music instrument working at the same time(Each instrument connect to corresponding speaker). One transmitter can connect to 10 receivers simultaneously,a perfect transmitter receiver compatible live per compatiblemance. No-interference : The wireless guitar system adopts advanced UHF technology, high frequency which less than 2ms latency, no lag or no signal loss. effective range is about 30-50M . Strong anti-interference ability delivers great audio quality and stable signal. Plug & Play: Only need to long press the signal key to match transmitter and receiver at the same time, no other operation is required.Professional Wireless System applicable compatible electric guitar and bass .No wires,more freedom,less than 2ms' latency, you can get the clear and high quality sound from your guitar without any delay. Convenient Charging : Built-in rechargeable lithium battery, working time is above 6 hours(circumstantial)after fully charged, and comes with a dual-ended USB cable compatible convenient recharging, which ensures good per compatiblemance compatible your every show. Widespread Use : A wireless guitar system delivers a full 20 Hz-20 kHz frequency response,clear signal transmission,available compatible most electric guitars, bass, electric-acoustic guitars, even most popular electric music instruments, Bakelite guitar and other musical instruments with pickup. colour: A:Green & black/B:Blue & black/C:Red & black Material: plastic Package Contents: 1 x Guitar Wireless Transmitter 1 x Guitar Wireless Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the colour of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.