Feature: 1. Noise Reduction Microphone: BT Earbuds provides noise reduction microphone and noise suppression technology, with dynamic basic performance, allowing you to enjoy clear sound. 2. Good Performance: Provides truly natural and authentic sound and powerful bass performance. BT 4.1 technology ensures strong and stable signal, faster transmission speed and lower power consumption. 3. Portable: Invisible design, smaller size, ultra light, easy to use and carry. Get rid of the shackles and bring more convenience to exercises, sports and other activities. The transmission distance can reach 10m. 4. Comfortable Fit: X11 fits any ear perfectly. Fully symmetrical design, right and left ears fit, 105° included angle, ergonomic design, there is no pain in five or six hours of use, very comfortable. 5. Button Control: One button to control all functions, power on, off, next song, play, pause, hang up, answer, reject, pairing. Compatible for iphone, for sony, for motorola, for lg, laptop, etc. Specification: Item Type: BT Headset Model: YX01 Material: ABS Colour: Black Function: Wireless Sound Transmission Built In Battery: Polymer Lithium Battery Built In Battery Capacity: 60mAh (Included) BT Version: V4.1 BT Transmission Distance: Approx. 10m/32.8ft Scope of Application: Smart Devices with BT Package List: 1 x Earbuds 1 x Charging Cable