【Secure Open Ear Design】The open-ear design of the wireless earbuds with ear hooks is very secure and reliable, allowing you to feel your surroundings at all times. Whether you're cycling, running or driving, you can always be aware of your surroundings.Just open your ears and listen to the music and the world simultaneously! 【Stable Fit】The ear hook design of the outer ear running headphones can be very stable to fit different ear shapes, allowing you to wear them tighter, and you don't have to worry about the Bluetooth earphones over ear suddenly falling off when you do intense exercise in the gym. 【Comfortable and Clean】The wireless ear hanging Bluetooth headset is designed with lightweight, skin-friendly materials to ensure you wear it comfortably all day long.At the same time, thanks to the open ear design, it prevents sore ears after long periods of wear, prevents sweat and dirt from accumulating, and keeps your ears clean. 【Seamlessly Switch between Single-ear and Double-ear】The air bone conduction headphones are perfect for all occasions as you can either take out two small headphones and automatically connect them to the device or just one open ear bud that automatically connects to the device. 【Smart Digital Display and Touch Control】The sports earbuds charging case displays the real-time power level so you can check the power level anytime, anywhere. At the same time, the outer headphones can be smart touch control, you can touch your finger on the buttons to switch songs, hang up the phone, wake up the voice assistant and so on.Color: Green Manufacturer: Jiaxing Yuejia Trading Co., Ltd. Part Number: XmenhaUK-ZLJ-LX03Z-GreenSpecification : Bluetooth version : 5.3 Headphone battery capacity : 40mAh Headphone charging case battery capacity : 300mAh Transmission distance : about 10m Playing time : 4-5 hours Charging time : 1 hour Waterproof level : IPX5 Support system : all devices and mobile phones that support Bluetooth Packing List : 1 * Pair Open Ear headphones 1 * TYPE-C cable 1 * User manual 1 * Exquisite packaging box Notes : 1. Please read the instruction manual carefully before use. 2. If you receive a defective product or have any questions during use, please feel free to contact us.