This wireless earphone is mini and lightweight, and your ears will not feel painful after long-time wearing. Using large-capacity battery, this wireless earphone features low power consumption and long standby time. Featuring Bluetooth-compatible chip and intelligent noise cancelling, this earphone can bring you quick and stable transmission as well as HiFi, stereo surround sound effect and mega bass. It is constructed of plastic material. The length of this wireless earphone is 7cm, width is 4cm and thicness is 0.5cm. This wireless earphone is suitable for running, driving, listening to music, doing sports, calling and so on. Item Name: Earphone Material: Plastic Model: S109 Transmission Range: 10m Function: Call Function, Voice Control, Support Music Bluetooth-compatible Protocol: 4.2 Channel: Stereo How to Use: Ear-mounted Earbuds Whether Single or Binaural: Bilateral Stereo Battery Life: 6H Talk time: 72H Charging Time: 1H Battery Capacity: 55mAh(Style A), 90mAh(Style B) Charging Method: USB Frequency Response Range: 100Hz-10KHz Features: Sensitive, Intelligent Noise Reduction, Low Latency Size Details: 7cm x 4cm x 0.5cm/2.76" x 1.57" x 0.2"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Earphone 1 x Data Cable 1 x User Manual