Remove the wires between you and your music at home or on the go. Tenqa REMXD Bluetooth Headphones connect you with your music on your smartphone, iPhone, iPad, tablet, computer, and more-without wires. No more wires between your and your headphones. Store your device away while on the go and keep tangled wires out of the equation. You can receive audio up to 33 feet away from your transmitting audio device. Tenqa REMXD Bluetooth headphones feature a rechargeable battery with a listening time up to 15 hours and standby time up to 180 hours. Control your audio up to 33 feet away with the REMXD's controls right on the Bluetooth headphones. Change the music track, headphone volume, and also handle mobile phone calls-all without taking your device out of your pocket. Tenqa REMXD Bluetooth headphones function as a "hands free" device you can use to make and receive phone calls. When a phone call is received, the music on your phone pauses and you just answer the phone call by pressing a button on the REMXD Bluetooth headphones. Your call is handled through the internal mic. Upon ending the call, the music automatically resumes where it left off.