New - Customer Return, might be missing accessories but all come with charging cable

【Open-Ear Comfort】sayrelances bone conduction Sport earphones are ergonomically designed. Made of aviation-grade ultra-light titanium material, lightweight, weight 32g only, stable and comfortable to wear, suitable for various sports scenarios.

【Open-ear Safety】sayrelances wireless bone conduction headphones with breathing lights and reflective strips, unique and cool design. You can understand your surroundings while listening to music. Make your sports stylish and safe.

【Dual Sound Effects】Wireless Bluetooth earphones use advanced bone conduction dual sound technology, which can switch between vocal mode and shocking bass mode. Unleash your ears for a premium audio experience.

【Bluetooth 5.2 chip】The latest Bluetooth 5.2 chip, brings faster and more stable connection with up to 7 hours of battery life. Bone conduction earphones bluetooth Supports a variety of Bluetooth-compatible devices, including smartwatches, tablets, iOS, or Android devices, etc. Headphones can be used for running, cycling, driving, gym, podcasts, TV shows, Movies, music, audiobooks, calls.

【IP67 Waterproof Rating】Completely sweat and waterproof bone conduction headset.designed to harsh weather conditions and high-intensity training. The open-ear headphones is perfect workout companion for any sports, fitness, or running enthusiast.