[Product Information]

Hi-Fi stereo performance, Built-in industry-leading CSR bluetooth 4.1 Chip, which can transmit data at high speed and comes with clearer communication quality, lower latency and better audio output.
Comfortable Over-Ear Fit:Professional protein earpad and ABS environmental plastic material retractable headband delivers more durability and comfort. It does not hurt your ears after long-time wearing.
Wireless & Wired: 1. The wireless mode: A built-in 250mAh battery provides up to 8-10hrs (full volume), 15hrs (50% volume) music listening time in a single charge; 2. The Wired mode: you can also use it as a wired headphone with the provided audio cable so the headphones will never power off.
Built-in Mic and Hands-Free Call: No need to worry about missing call when you are away from phone, you can answer or hang up your calls more freely via the button on the headphone (Bluetooth connection distance within 33ft).But please note that the built-in microphone only works in the wireless bluetooth mode.
Lightweight&Foldable: Stylish foldable design brings you more convenience to folds it in your travel case for outdoor use. A headset bag is also provided.