Professional Sax wireless system receiver & transmitter with microphone. Lightweight transmitter clip onto. Directly and firmly, protective rubberized clamp keep your valuable sax from scratching. Reliable UHF provides stable signal transmit, full & clear sound quality. UHF frequency range: 500-980MHz, 32 channels for selection. Adopts noise locked & pilot tone locked, low noise. With audio output selective switch, 6.35mm audio output port. Easy-to-read LCD display, with volume & frequency adjuster. 40-150m operating range in open areas or even with obstacles. 2 AA batteries for receiver & 1 AAA battery for transmitter, with a DC 3V 450mA a dapter for charging or power supply (batteries not included). No need for other bracket device, perfect suits for instrument player. Sensitivity: 3uV 30dB S/N. THD: Less Than 0.5% at 1KHz. Power Supply: 2 AA Batteries or DC 3V Adapter(the batteries not included). Size: 12 7.8 4cm / 4.7 3.1 1.6in. Weight: 170g / 5oz. RF Output Power: 6mV. Power Supply: 1 AAA Battery(the batteries not included). Size: 19 4 2cm / 7.5 1.6 0.8in. Weight: 53g / 1.9oz. Voltage: Input 100-240V, Output DC 3V. 1 User Manual(English). Thanks for your understanding. Due to we sell these small item. All our products will be checked and packaged in good condition before we sent. Please check the parcel before the courier leaves. We will give you a satisfied solution. We will do best to help and provide the best solution to make customers satisfied. Damaged by : Undue. Wear, dirt, misused, improper installation, accident. Disassembled or Repaired by unauthorized person. Any damages caused by improper packaging when return the item back to us. Thank you for your understanding and attention. We will also do better and more professional customer service than other sellers. Many thanks in advance. Listing and template services provided by inkFrog.