Features: UHF frequency band (780-805MHz) and PLL frequency synthesized technology for stable working performance. Transmission distance of 50 meters, without the interference of external signals. 6 selectable channels to match your need better. Comes with an earphone, soft earplug for comfortable wearing. Support one transmitter to many receivers.Dynamic expansion circuitry for high S/NO ratio. Specifications: Transmitter: Frequency range: 780-805MHz Transmit power: =10dBm Operating current: 80mA±10mA Operating range: 50m Receiver: Power supply: 2 AA batteries (not included) Operating current: 50mA±20mA S/N Ratio: >50dB Sensitivity: S/N 12dB 3uV Frequency response: 30Hz-18kHz Frequency range: 780-805MHz Stereo separation: >50dB Package size: 33 19 6cm / 13 7.5 2.4in Package weight: 588g / 1.3Lb Package List: 1 Receiver (The Quantity Can Be Selected By Yourself) 1 Transmitter 1 Earphone 4 Rubber earplug 1 3.5mm to 6.3mm Plug 1 3.5mm to 6.3mm Conversion Cable 1 3.5mm to RCA Connecting Cable 1 Power Adapter 1 Manual Choose us, a good life begins! This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Speakers". The seller is "seacoolr" and is located in this country: US. This item can be shipped to United States, New Zealand, Fiji, Papua New Guinea, Wallis and Futuna, Gambia, Malaysia, Taiwan, Poland, Oman, Suriname, United Arab Emirates, Kenya, Argentina, Guinea-Bissau, Armenia, Uzbekistan, Bhutan, Senegal, Togo, Ireland, Qatar, Burundi, Netherlands, Slovakia, Slovenia, Equatorial Guinea, Thailand, Aruba, Sweden, Iceland, Macedonia, Belgium, Israel, Kuwait, Liechtenstein, Benin, Algeria, Antigua and Barbuda, Italy, Swaziland, Tanzania, Pakistan, Burkina Faso, Panama, Singapore, Kyrgyzstan, Switzerland, Djibouti, Chile, China, Mali, Botswana, Republic of Croatia, Cambodia, Indonesia, Portugal, Malta, Tajikistan, Vietnam, Cayman Islands, Paraguay, Saint Helena, Cyprus, Seychelles, Rwanda, Bangladesh, Australia, Austria, Sri Lanka, Gabon Republic, Zimbabwe, Bulgaria, Czech Republic, Norway, Côte d'Ivoire (Ivory Coast), Kiribati, Turkmenistan, Grenada, Greece, Haiti, Greenland, Yemen, Afghanistan, Montenegro, Mongolia, Nepal, Bahamas, Bahrain, United Kingdom, Bosnia and Herzegovina, Hungary, Angola, Western Samoa, France, Mozambique, Namibia, Peru, Denmark, Guatemala, Solomon Islands, Vatican City State, Sierra Leone, Nauru, Anguilla, El Salvador, Dominican Republic, Cameroon, Guyana, Azerbaijan Republic, Macau, Georgia, Tonga, San Marino, Eritrea, Saint Kitts-Nevis, Morocco, Saint Vincent and the Grenadines, Mauritania, Belize, Philippines, Democratic Republic of the Congo, Republic of the Congo, Colombia, Spain, Estonia, Bermuda, Montserrat, Zambia, South Korea, Vanuatu, Ecuador, Albania, Ethiopia, Monaco, Niger, Laos, Ghana, Cape Verde Islands, Moldova, Madagascar, Saint Pierre and Miquelon, Lebanon, Liberia, Bolivia, Maldives, Gibraltar, Hong Kong, Central African Republic, Lesotho, Nigeria, Mauritius, Saint Lucia, Jordan, Guinea, Canada, Turks and Caicos Islands, Chad, Andorra, Romania, Costa Rica, India, Mexico, Serbia, Kazakhstan, Saudi Arabia, Japan, Lithuania, Trinidad and Tobago, Malawi, Nicaragua, Finland, Tunisia, Luxembourg, Uganda, Brazil, Turkey, Germany, Egypt, Latvia, Jamaica, South Africa, Brunei Darussalam, Honduras.