With special telescopic and collar clip design, the product is more convenient for you to use.The product has multiple advantages, such as voice prompt, vibration alert, and connecting two phones at the same.Made of the premium ABS material, the product is durable, lightweight and portable.The length of the product is 6.8cm, the width is 2.5cm, and the height is 2.2cm.It is a bluetooth-compatible earphone for business, sports, driving or other situations.Item Name: bluetooth-compatible EarphoneMaterial:ABSCharging Time: 2hOperating Voltage: 3.7VCharging Voltage: DC 5VBattery Specification: 80mAhWorking Frequency: Class2Bluetooth Version: V4.0Bluetooth Transmission Distance: 10mTalk Time: 6hStandby Time: 80h(Included)Chip Model: CSRListening Time: 5hSize Details:Length: 6.8cm2.68" (Approx.)Width: 2.5cm0.98" (Approx.)Height: 2.2cm0.87" (Approx.)Notes:Due to the light and screen setting difference, the color of item may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X User Manual1 X Charge Cable1 X bluetooth-compatible Earphone