AS19 Bone Conduction Headphones Underwater/Waterproof Open Ear Bluetooth Built-i

AS19 Bone Conduction Headphones Underwater/Waterproof Open Ear Bluetooth Built-in MP3 32G Built-in 32GB Storage & Dual Mode (9000 songs) ready to play at the touch of a button. Supports MP3, WAV, for device-free listening. Using bluetooth 5.3 chip, the connection is faster and more stable, 100% synchronized, zero delay. Dual modes of bluetooth and Local MP3 playback allow you to enjoy music anytime, anywhere without your mobile phone. Open-Ear Comfort & Added Headband Accessory for Stabilizing Wear -- bone conduction headphones transmit sound through your cheekbones, so you can enjoy open-ear listening without compromising situational awareness. It is perfect for sports, running, riding, workout and so on. It has IP68 professional deep waterproof rating, completely waterproof and sweatproof. It can be submerged in water up to two meters deep for up to five hours. 8 Hours of Music & Secure Fit -- waterproof headphones for swimming with 8 hours of battery life and easy commands such as play, skip, pause, and back-a-track. Lightweight and stable, the bone conduction headphones is ergonomically designed for a comfortable and stable fit during intense training sessions. Widely used in podcasting, swimming, running, hiking, cycling, exercising, gym, sports and driving, etc. Please use MP3 mode and bone conduction connector underwater. Reserve a Space for Security -- open-ear wearing can retain the communication of external sound, when you are running, cycling, hiking and other outdoor sports or work can also receive alerts from others, timely avoidance of danger. New Open Box