WIRELESS HEADPHONES: The radio wireless headphones are compatible with multimedia devices with audio output, such as TV, PC, DVD, MP3, etc. You can get rid of the shackles of cables. If you need to walk away and pour a glass of water, don't worry, you'll hear clear dialogue and beautiful melody when you walk away. Since the sound signal of this headset can penetrate walls, objects and other materials, there are no angle restrictions. THE PERFECT CHAT TOOL: The perfect online chat tool for wireless noise-cancelling headphones, allowing you to enjoy the fun of surfing the Internet. The transmitter is connected with the computer, and the earphone receiver can move freely in the room by wearing the receiver to realize wireless voice chat. MONITORING FUNCTION: Put the earphone transmitter next to the person who needs to be taken care of, such as infants, the elderly, patients, etc., and use the wireless earphone receiver to listen to the voice of the person being cared for, which is convenient for taking care of. FM RADIO: The on ear stereo earphone can be used to listen to FM radio and automatically track and lock radio stations. You can listen to the cheerful footsteps on a bumpy carriage or a leisurely bike. In this competitive and colorful world, you can always receive news from all directions. You can also listen to music to relax. WIRED HEADPHONES: A high-resolution Bluetooth headphone receiver can be used as a wired headphone with an audio cable. The sound quality is high fidelity, the sound quality is beautiful, and the receiving distance is more than 10 meters. These wireless headphones with microphones are a must for every household and business. Wireless headphones allow you to listen to music and audio freely without the constraint of wires. They are suitable for use with any audio device which has a standard 3.5mm headphone port or red and white AV connections e.g. Mp3 Player, iPod, CD Player, PC, TV, etc. Simply connect the emitter unit to your audio device with the cables provided and use the controls on the headphones to pick up the wireless audio (range of up to 30m). You can leave the emitter plugged into your stereo etc in one room of the house and walk around still listening to the music being transmitted. Radio Frequencies range 85.5-108MHz. Power Requires 2 x AAA batteries in the emitter and 2 x AAA Batteries in Headphones. Specifications Type: Headphones Use: Portable Audio Connectivity: Infrared Wireless Earpiece Design: Ear-Cup (Over the Ear) Fit Design: Headband Connector(s): 3.5mm (1/8"") Features: Built-In On/Off Switch Colour: Black Size: L16cm x W8cm x H21cm Material: PP The Package Includes 1 x Emitter with audio out socket/plug 1 x Receiver (earphones) 1 x 3.5mm socket/plug 1 x Instruction Manual