This headset is designed with an ergonomic tilt that fits the ear canal, making it to be held firmly and comfortably, and not easy to fall off.With the Bluetooth-compatible 5.1 version, this wireless headset allows 10 meters long distance transmission and features lossless sound quality, HiFi sound, low latency, call noise reduction, etc.It is made of high-quality ABS and PC material.The length of this product is 13cm, the width is 6cm and the height is 2cm. It is applicable for Android, for iPhone, and for digital devices with Bluetooth-compatible.Item Name: HeadphoneMaterial: ABS, PCFeatures: Noise Reduction, Portable, Long EnduranceEarphone Type: Hanging-earNoise Reduction: ActivePlayback Control: YesBluetooth-compatible Version: Bluetooth-compatible 5.1Playback Time: 8-10 HoursStandby Time: About 180 HoursCharging Time Of Headset: About 1 HourCharging Voltage: DC5VCharging Function: The Charging Chamber Charges The HeadsetCharging Time Of Charging Chamber: About 2 HoursCharging Port: for Android Charging PortHorn Diameter: 10mmBattery Capacity Of Headset: 60mAh(Included)Charging Chamber Capacity: 500mAh(Included)Transmission Distance Of Bluetooth-compatible Headset: 10mFrequency Range: 20hz-20khzVoice Prompt: Chinese/English PromptSignal To Noise Ratio: 90dBSensitivity: - 85dBmButton/Touch: ButtonScreen Display: Charging/Power DisplayLow Power Reminder: Voice Low Power ReminderSize Details:L: 13cm/5.12", W: 6cm/2.36", H: 2cm/0.79"(Approx.)Charging Cable Length: 30cm/11.81" (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 Headphone1 x Charging Compartment1 x Charging Cable1 x User Manual2 x Ears Caps