JBL Pure Bass Sound: For over 80 years, JBL has engineered the precise, impressive sound found in big venues around the world. These headphones reproduce that same JBL DNA, punching out bass that’s both deep and powerful. Customize your experience with the JBL Headphones app: Customize your audio using the EQ. Or create your own mix of calming sounds and set your preferred timing. Select the language of voice prompts and find your headphones when you lose them. Up to 25-hour battery life with speed charge: Enjoy your music and take calls for 25 hours. Get a full 3 hours extra in just 10 minutes top up. Multi-point connection and Google Fast Pair: Seamlessly switch from a video on your tablet to a call on your smartphone so that you'll never miss a call with multi-point connection. It just takes one click to pair your JBL Tune 135BT earbuds with your Android Bluetooth® device. After that, Google Fast Pair takes care of it for you. Hands-free calls: Easily control your sound and manage calls from your headphones with the convenient three-button remote with microphone. Tangle-free flat cable: A flat cable that’s durable and won’t tangle up in knots. The soft, ergonomically shaped earbuds allow you to enjoy your music in full comfort IPX4 water resistant design: A fast walk or light rain won't spoil the fun: the JBL Tune 135BT are water resistant!