Description: An ergonomic design of these headphones, comfortable in the ear and wear senseless, fully fit with the ear, sound insulation and no sound leakage. The transmission distance is 10 meters for unobstructed and stable transmission. It can last for 100 hours and shows four compartments of power. With the Bluetooth-compatible version 5.1 and intelligent noise cancellation technology, this headset brings you heavy bass and stereo surround sound, stunning sound, audio and video synchronization, no lag and no delay, clear voice. It is constructed of ABS material. The length of this product is 18cm, the width is 15cm and the height is 2cm. This wireless earphone is suitable for running, driving, listening to music, sports, calling, safe driving, working, and so on. Item Name: Wireless Earphone Material: ABS Features: Stereo Surround, Noise Cancellation Bluetooth-compatible: 5.1 Sound Channel: Stereo Use: Neck Hanging Whether Single Binaural: Bilateral Stereo Effective Distance: 10 Meters Charging Voltage: 5V Impedance: 32Ω Sensitivity: 98db Play Time: 100-120 Hours Standby Time: 120 Days Charging Time: 2 Hours Battery Capacity: 1000mAh Interface: Type-C Waterproof: IPX5 Play Mode: Bluetooth-compatible Playback Adaptation System: for Android/for compatible with Apple Phones/Bluetooth-compatible Digital Devices Size Details: Size: 18cm x 15cm x 2cm/7.09" x 5.91" x 0.79" (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 Wireless Earphone 1 x USB Charging Cable An ergonomic design of these headphones, comfortable in the ear and wear senseless, fully fit with the ear, sound insulation and no sound leakage. The transmission distance is 10 meters for unobstructed and stable transmission. It can last for 100 hours and shows four compartments of power. With the Bluetooth-compatible version 5.1 and intelligent noise cancellation technology, this headset brings you heavy bass and stereo surround sound, stunning sound, audio and video synchronization, no lag and no delay, clear voice. It is constructed of ABS material. The length of this product is 18cm, the width is 15cm and the height is 2cm. This wireless earphone is suitable for running, driving, listening to music, sports, calling, safe driving, working, and so on.