【Lightly & Ergonomic Design】Each earbud has 3 silicone ear caps in different size, just choose the size that suit you best. A single earbud weights only 4.6g, lightweight body keeps your wearing more comfortable even for a long time. 【Transparency Mode】Double-click the earbud, the transparency mode on when you hear "APT ON". Microphones will enhance the collection of external sound and amplifies it. You can hear your surroundings more clearly when listening music. 【Avoid Accidentally Touch】Unique bridge-design,precise touch operation area of the earbuds. Avoid operations caused by accidentally touch. 【Excellent Phone Call & Sound Quality】G91 TinyPods used a 10 mm high polymer titanium plated diaphragm which provides immersive music experience. Built-in 6 mic enhance your talk voice and eliminate external noise, make your phone call more clearly. 【ANC Technology】Advanced hybrid active noise cancelling technology: 1.FF mic collects external noise and generate inverted sound waves to counteract the external noise, the FB mic on the inside further eliminate incoming noise into the ear. It can reduce noise by up to 35db at different scenarios.