Open-Ear Bone Conduction Headphones, Bluetooth 5.4 Wireless Sports Earphones with Mic, IPX6 Waterproof Sweatproof Headset, 20H Playtime, 27g Lightweight Comfort, HD Sound & ENC for Running Cycling Gym Workout ➤ Package Content 1× Open Ear Bone Conduction Headphones 1× USB-C Charging Cable 1 Pair of Ear Plugs 1× User Manual (in 8 Languages) 1x Storage Bag for Headphones ➤ Commodity Parameters Brand: Greatunes Product Name: Greatunes i18pro Bone Conduction Open-Ear Headphones Design: Open Ear, True Wireless Sound: HIFI Stereo with Powerful Bass Weight: 27g Battery: 240mAh, 20 hours playtime Bluetooth: Version 5.4 (HSP/HFP/A2DP/AVRCP) Waterproof Rating: IPX6 Charging: Type-C, under 2 hours full charge Compatibility: iOS, Android, Windows, MacOS ➤ Product Features Experience superior audio with open ear bone conduction technology. These wireless headphones feature a 15.2mm dynamic driver for deep bass and HD sound, while the ENC noise reduction ensures clear calls by minimizing background noise. With Bluetooth 5.4, enjoy seamless pairing to devices like smartphones and laptops, plus multi-device memory for easy switching. Ideal for running, cycling, or daily commutes, they combine safety and comfort. ➤ Warm Tips Use the triple-tap function on the "-" button to skip tracks quickly during workouts. Clean the headphones with a dry cloth after sweaty sessions to maintain microphone clarity and longevity. Greatunes Bone Conduction Headphones - Open Ear Design Wireless Bluetooth 5.4 Sports Earphones, IPX6 Sweatproof, 18-20 Hours Playtime, 27g Lightweight Headphones with ENC Noise Cancellation, for Running, Cycling, Gym, and Workouts