Color: black, blue, red1. 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.