Features:The physical tuning design of the earphone supports Normal and Bass two music modes.Composite diaphragm of two different materials, which makes the sound field and bandwidth wider, and the earphones can be adjusted between the high frequency and the low frequency.Acoustic simulation design, and the acoustic cavity is improved, greatly reducing the influence of vibration on the sound distortion.Wire core adopts LC-OFC linear crystal oxygen-free copper, TPE environmentally friendly wire, effectively avoid of knotting or breakage.Wire control design with three-button, convenient for operation.Adopt the geometric splicing design; its main body is made of metal material, and its cavity is small and exquisite.The flat wire design makes its appearance more modern and the button feels better and easier to operate.In-ear design reduces external interference and provides better sound insulation.3 sets of S / M / L size soft silicone earbuds to meet users' different needs.Specifications:Color: WHITE /  (Optional)Material: MetalNumber of Speaker: 2Audio Port: 3.5mm 4PIN, gold platedMicrophone: 1Wire: Flat, electrolytic copperButton: Answer button, volume±Speaker Frequency Response Range: 20Hz~20kHzSpeaker Sensitivity: 103+/-3dBMicrophone Frequency Response Range: 100Hz~10kHzMicrophone Sensitivity: -42dB+/-3dBLine Length: about 1100±50MMMIC: Electret, omnidirectionalRemote Control: Three-button remote controlCompatibility: with Honor 3C LTE/4C/4X/6/6 Plus/7/P6S-U00/P7/P8/Mate2/Mate7/Mate8/P9/P9 Plus/V8 (volume± button)Working Temperature: -10°~40°Storage Temperature: -40°~70°Humidity: 5% to 95%Product Weight: 14gPackage Size: 7 * 7 * 2.5cm / 2.76 * 2.76 * 0.98inPackage Weight: 72gNotes:HUAWEI  headphones are not compatible with iPhone/iPad. When used for iPhone or iPad, it only can listen to music, but not support wire control function.Due to different phone software settings, the functions corresponding to the remote control buttons will be different.Package Lists:1 * Earphone3 * Earbuds1 * User Manual