It is comfortable to wear this wireless earphone for a long time because it is mini, lightweight and ergonomic. This earphone features Bluetooth-compatible5.3 chip and ENC noise reduction, bringing you stable transmission as well as HiFi, stereo surround sound effect and mega bass. It is made of high-quality ABS and zinc alloy material. The RGB breathing light can bring you richer using experience. The length of the charging box is 5.5cm, width is 4.5cm and thickness is 3cm. This wireless earphone is suitable for running, driving, listening to music, doing sports, calling and so on. It can also serve as bottle opener, which is multi-purpose. Item Name: Wireless Earphone Material: ABS, Zinc Alloy Bluetooth-compatible Version: 5.3 Headphone Type: Wireless Headphones Noise Reduction: Yes Waterproof: IPX5 Playback Control: Fingerprint Microphone: Support Transmission Distance: 10m Music Time: 10H Standby Time: 70 Days Charging Time: 1-2H Charging Box Battery: 500mAh(Included) Frequency Response Range: 20Hz-20000Hz Features: Stereo, ENC8.0 Noise Cancelling, Automatic Pairing Size Details: 5.5cm x 4.5cm x 3cm/2.17" x 1.77" x 1.18" (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: 2 x Wireless Earphones 1 x Charging Box 1 x Charging Cable 1 x User Manual