High quality 🎸: Experience the ultimate in enjoyment with our Wireless in Ear System, which utilizes 24bit/48KHz lossless digital transmission to ensure true, effective, three-dimensional sound with low latency, low noise, High resolution, 20Hz-20KHz wide frequency response, 105 dB dynamic range，and high intelligibility to better hear the details of your music. Stereo effect 🎸: Wireless in Ear System, Transmitter Receiver can switch between mono and stereo at the touch of a button, transmitting true 100% stereo audio. Built-in battery 🎸: The product comes with a rechargeable lithium-ion battery. It can be used for up to 6 hours after fully charged, and can be conveniently recharged via USB, eliminating the need for frequent battery replacements. Auto Pairing 🎸: Pair the transmitter with the receiver automatically after turning on the transmitter, easy to use, wireless range up to 90 feet. One Transmitter Multiple Receivers 🎸: The transmitter can be connected to multiple receivers of the same model, supporting up to “6” sets of devices working at the same time! Perfect for stage performances and band rehearsals. Warranty 🎸:One year Warranty; Please ask us if you have any problem with the product, we will help you to solve it! Note: Amazon return windows will close after one month, please click on seller store on right corner “ask a question”. ASIN B0F8V23DZ5 Brand M-VAVE Color Black Model Name WP-10 Item Weight 0.15 Kilograms Manufacturer M-VAVE Power Source Battery Powered BuiltIn Media Transmitter, Receiver Control Method Touch Includes Remote No Audio Output Mode Mono, Stereo Audio Output Type Wireless Bluetooth support No Installation Type wireless Compatible Devices Receivers (Wireless, 2.4G) Hardware Interface Radio Frequency Number of Channels 2 Additional Features High-Quality Audio Transmission & Multi-Receiver Connectivity Supported Standards Bluetooth Supported Media Type MP3 Warranty Description One Year Warranty Wireless Compability Bluetooth Compatibility Options Wireless audio devices, smartphones, MP3 players, headphones, speakers, television, car stereo system Supported Application Musical instruments, Microphones, Audio playback devices Connectivity Technology Wireless Rechargeable Battery Included Yes