【Powerful Bluetooth core has the last word on your music】Listen to your lossless music the way it was meant to be heard, but without the mess of wires, anytime anywhere. The FB1 utilizes the Qualcomm CSR8645 Bluetooth 4.1 chip, which supports the SBC, AAC, and aptX audio codecs to ensure you get the best out of your music. | 【Three-button multi-function in-line control center】The in-line control box located on the FB1 not only allows you to adjust your high quality music playback, but also allows you to stay constantly connected with its high-definition microphone. Make voice calls over Bluetooth with quality on par with the best smartphones. | 【To enjoy is to be at ease】The FB1 consumes extremely little power, giving battery life up to 8 hours And if you do run out of power, get back up quickly with only 2 hours of charging time. Also, you can enjoy high quality Bluetooth music and calls up to almost 10 meters away from your source | 【More features that you may like】Simple blue and red indicators, supports connecting with 2 separate Bluetooth devices at once, visible battery meter on iOS devices and comes with 1-year warranty. | 【ENHANCED COMFORT & WEARABILITY】:1.We have created the ear hooks so that FB1 snugly and confortable fits the crevices of your ears.2 Additionally come with 3 pairs of ear tips(small,medium and large) in different sizes for your custom fit and a storage bag. 3. Easy to carry around this stylish baby because of the weights only 20g