Description: 5.2: The advanced 5.2 chip and EDR low latency chip(0.02s) greatly improve the speed and stability of transmission, you can enjoy the music instantly, while power consumption is lower. Clear Sound: Deep noise reduction, use sensitive microphone and DSP noise reduction technology, the headphone can identify human voice and ambient sound, eliminate 80% noise, so that you can have a clear communication even in noisy environment. Intelligent Operation: Easy to control, tap the button on headset to realize music, call, voice assistant and other operations. Comfortable: The earphones are made of soft rubber, using ear clip design, no need to enter the ear, no need to pick the size of the ear, only weight 17g, comfortble after long term wear. Long Standby: 150mAh large capacity battery, working 26H for musice and 28H for call after full charge, standby time 360H. Specification: Material: Rubber Connectivity: 5.2 Playing time: 26 - 28 hours Power Supply: USB Charging Battery: 150mAH Type: Ear Clip Control Type: Button Speaker Unit: 30mm Weight: 17g Modes: Music Mode, Game Mode Size Chart: 50x44.6x18.5mm/1.97x1.76x0.73inch Package Includes: 2 Pieces Earbuds 1 Piece Charging Cable 1 Piece Instruction Book Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!