OPPO MH135 in-ear headphones with microphone. Extremely universal set that fits all phones with 3.5 mm jack output. Universal: the OPPO MH135 headphones fit all phones with a 3.5mm jack output. EarPods design instead of silicone heads; perfectly fits the ear, ensuring comfortable use for up to several hours. The built-in microphone allows you to talk. Ease to use: form now on you can perform operations such as stopping, playing and answering incoming calls with the keys on the headset.