Description: With ergonomic ear hook and neckband design, the earphone does not fall during exercise and gives you more comfortable wearing experience. Using noise reduction technology and a highly clear microphone, the earphone can recognize human voices and noise to improve speech intelligibility. It is made of high-quality plastic and metal material, which is lightweight and portable. The length of the product is 17cm, the width is 10cm and the height is 1.5cm. It is suitable for running, working, driving, cycling and so on. Item Name: Bluetooth-compatible Earphone Material: Plastic, Metal Bluetooth-compatible: 5.0 Effective Distance: 15 Meters Channel: Stereo Standby Time: 200 Hours Music Time: 9 Hours Talk Time: 15 Hours Charging Time: 1-2 Hours Battery Capacity: 180mAh (Included) Waterproof: IPX5 Adaptation System: Suitable for iPhone and for Android Mobile Phones, and Digital Devices with Bluetooth-compatible Features: Heavy Bass, Bone Conduction, Long Standby Size Details: 17cm x 10cm x 1.5cm/6.69" x 3.94" x 0.59" (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 Bluetooth-compatible Earphone 1 x Charging Cable 1 x User Manual