Wireless Earbuds, Sports Bluetooth 5.4 Headphones 75Hrs Stereo Deep Bass Ear Buds, 4 ENC Noise Cancelling Mic Earphones with Earhook, USB-C, LED Display, IP7 Waterproof Headset for Running Gym Workout

• 2025 Bluetooth 5.4 Technology & Auto Pairing: Wireless earbuds are equipped with the new Bluetooth 5.4, which fully optimizes Bluetooth transmission and connection defects. Adopting the advanced Bluetooth 5.4 and dual-channel transmission, Rulefiss X27 ear buds support HID HFP A2DP AVRCP, which provides instant pairing and stable transmission without interruptions. When you take the Bluetooth headphones out of the charging case, they’ll automatically connect to the last paired device.
• Flexible Sports Earhooks & Comfort-Fit: Unlike most wireless headphones Bluetooth, X27 sports earbuds are designed with use soft silica gel over-ear earhooks, while the end of the earhook has a non-slip design, even if it does not fall off even during strenuous exercise. And a single earbud is as light as 4.3g, equipped with 3 different sizes of high-quality silicone earplugs (S/M/L). And this running headphones wireless make an ideal companion while jogging, gym, workout, yoga and more sports.
• Stereo Sound Quality & Clear Calls: The noise cancelling earbuds have a built-in 14.2mm dynamic driver AAC/SBC audio decoder with a separate sound chamber design that delivers powerful HiFi Stereo and a dynamic listening experience to power your workout. The built-in HD Mic in each headphone reduce background noise to ensure stable signal and clear and realistic call. The earphones are compatible with almost all Bluetooth-enabled devices such as iOS/Android phones, tablets, laptops, ect.
• 75 Hours Ultra Long Playtime & Dual LED Display: These Bluetooth earbuds provide up to 15 hours continuous using time on a single charge, portable charging case can charge the ear buds for 5-6 times, giving 75 hours of a total playtime. Charging case presents its battery from 1%-100%, and the charging status of headset by up and down of LED bar. Once the wireless earphones put in the charge case, it can be charged automatically. Never worry about battery life even on long trips.