Material: ABS Dimensions: As picture shows Color: As picture shows Package Included:1 x Bluetooth Earphone Notice : Due to color differences between or due to lighting, background, etc., the picture may not reflect the actual color of the item Please allow 1-2cm error due to manual measurement. Powerful Function Buttons: Wireless Headset Can Be Adjusted By Clicking ± Button To Adjust The Volume, The Of Music Playback, You Can Also Double-click The Power Button To Mute When Talking, The MFB Button 3 Times To Wake Up Siri Or Voice Assistant To Achieve Dialing Answer And Navigation And Other Operational Commands, Hands- Calls, Safer Driving. Wearing Comfort: Single Ear Bluetooth Headset Are Equipped With 345° Rotating Earpiece + 180° Rotating Ear Hook, The Angle Can Be Adjusted At Will, Left And Right Ears Can Be Worn, The Soft Silicone Ear Hooks With Tension And Relaxation, Fit The Ear, Long Time Wearing Will Not Cause Burden To The Ear. Widely Compatible & One Pairing: Wireless Bluetooth Headset Can Be Connected With Smartphones, Tablets, Laptops, Electronic And Other Devices With Bluetooth, Effective Signal Distance Of 33 Feet, Stable And Low Latency, One To Activate The Device Bluetooth, Search For "YYK-525" To Connect To Pair. Mic Noise Cancelling & Clear Call: Wireless Bluetooth Headset With -mic Noise Cancelling Technology Can Effectively Suppress 90% Of Noise When Talking, With -42 ± 3dB High Sensitivity Microphone, Highly The Human Voice. Wireless Bluetooth Earpiece With Induction Storage And Charging In One, Large-capacity Charging Case Single Charge 1.5 Hours, You Can Enjoy 8-10 Hours Of Continuous Calls, 48 Hours Of Life, Can Be Charged 5 Times Extra, The Total Standby Time Of 400 Hours.