Bluetooth Invisible Single Earbud With Microphone Noise Reduction The product is shipped based on the color or size of the main image of the product page. Product Color: black, blue, red 1. BUSINESS STYLE DESIGN With its skin-friendly and stylish design, you can bring the Bluetooth headset with a professional business experience. These Bluetooth headphones are only 9.5 g light enough to be carried without a load. 2. SUPER WATERPROOF FUNCTION Professional IPX Level 5 Sweatproof technology, which allows you to wear the Bluetooth headphones for dripping sweat, heavy rain, even a splash from sports sweat or other water activities at high speed. 3. ERGONOMIC DESIGN Bone conduction, no vibration, small and more comfortable.This Bluetooth headphones are without earplugs; Painless Long wearing, natural way to hear. 4. HIGH QUALITY BLUETOOTH HEADSET Premium Bluetooth with chip and noise cancellation technology reduce noise and echo cancellation for smooth, clear and crisp conversation quality when driving or in the gym. 5. LONG BATTERY LIFE The wireless Bluetooth headphones have a 140mAh lithium-ion polymer battery installed. Allows seamless enjoyment of 10 hours of music time with a quick charge of only 1-2 hours.