Delton X9 Thunder Wireless Stereo Headset with Built-in Microphone Universal Compatibilty for Almost all Cellphones or Smartphones Talk Time Up to 6 Hours and Stand By Time Up to 100 Hours Great for at the Gym and Runners Sweat Resistant Behind the Head Design Package Contents: X9 Headset, USB Charging Cable, User Manual, 1 Year Limited Warranty by Delton