SNUG FIT ERGONOMIC DESIGN: Ergonomic and lightweight (0.2 oz) design fit comfortably and snuggly in your ear; 3 sizes of ear tips option provide individualized fit and comfort for all-day wearing with no pain. They fit securely, stay firm in place even for workout or running
HI-FI STEREO SOUND: Feature the dual 6mm graphene speakers that produce incredible sound quality with deep bass and crystal clear treble; built-in MEMS microphones with noise cancellation for you to enjoy crystal-clear hands-free calls and voice assistant in noisy circumstances
TWS & BLUETOOTH 5.0: Powered by latest Bluetooth 5.0 which dramatically enhances the stability and connection of the earbuds; after a one-time setup, the bluetooth earbuds will automatically turn on and pair with your smart device; EarFun Free Bluetooth Earphones work flawlessly at a distance up to 49 feet (15 meters)
IPX7 TRULY SWEAT & WATERPROOF: With innovative SweatShield Technology, EarFun Free Wireless Earphones can easily resist from sweat and rain, and you don't have to worry even if it rains, suitable for handling sweat too when you are running or in the gym
CHARGE ON-THE-GO: 6-hour working time per charge for the bluetooth headphones and 24 extra hours in the compact charging case; 4 times full charge by the charging case and just 10 minutes charging can make 2-hour listening; the carry case can be charged via Type C or a Qi wireless charging pad