With Bluetooth-compatible 5.3 technology, the earphones can be fast pairing and stable performance, so you can enjoy wireless music listening. Adopting noise cancellation technology reduces the noise and keeps the original HD sound. No need to jam the earphones into the ear, so as to better protect the hearing. Unlike in-ear headphones, it allows you to keep in touch and understand the surrounding environment to ensure safety. Great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly. Directional sound transmission technology to protect privacy without sound leakage Built-in 13mm full-range graphene diaphragm sound unit, bringing high-definition sound quality Bluetooth-compatible 5.3 connection, more stable, low latency Lightweight and compact, painless when wearing Ear clip design, suitable for most people's ear shape, comfortable to wear Double noise reduction function, sponge noise reduction technology, automatic recognition of human voice and noise, improve the clarity of sound Touch operation, sensitive and convenient Compatible with most Bluetooth-enabled phones/laptops/tablets Specification: Bluetooth-compatible version: V5.3 Wireless distance: about 10m Battery capacity: 180mAh Charging time: about 1 hour Use time: about 18-36 hours Charging port: Micro USB Waterproof grade: IPX3 Package included: 1 x Earphone 1 x Charging Cable 1 x English and Chinese User Manual Other things not included