Specifications: Its delicate, compact and waterproof design make it a good companion for your cycling trips.It is delicate, compact and waterproof design that make it a good companion for your cycling trips.For your cycling trips, this headphone is a good companion due to its delicate, compact and waterproof design.Owing to delicate, compact and waterproof design, it is a good companion for your cycling trips.As a good companion for your cycling trips, it has delicate, compact and waterproof design.Features: The advanced CSR Bluetooth-compatible chipset and the embedded headphone amplifier provide a better phone call and stereo experience.What advanced CSR Bluetooth-compatible chipset and the embedded headphone amplifier can offer you is better phone call and stereo experience.Better phone call and stereo experience can be provided by the advanced CSR Bluetooth-compatible chipset and the embedded headphone amplifier.After use it, you will get better phone call and stereo experience due to advanced CSR Bluetooth-compatible chipset and the embedded headphone amplifier.Thanks to advanced CSR Bluetooth-compatible chipset and the embedded headphone amplifier, you will get better phone call and stereo experience.The length of this product is 8.5cm, the width is 5cm and the height is 2cm.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 Headset1 x MIC + Speaker2 x Helmet Inner Fastener Tape1 x Fixed Folder1 x Screwdriver 2 x Screw 1 x Charging Cable1 x User Manual