Z4 is a True Wireless headset comfortable design more convenient box, easy storage and noise reduction, more outstanding, ergonomic design, comfort and safety, soft materials ensure ear safety and comfort. It can be carried anywhere without any burden on the ear and you will feel comfortable carrying it. Wireless Bluetooth 5.0 Technology: Advanced surround sound quality lets you enjoy high-fidelity sound quality, faster pairing speeds and a stable connection. Noise reduction technology reduces all environmental noise. Compatible with most Wireless-enabled devices, such as the iPhone 7 8 Plus 7 7plus 6S Plus iPad iPod Nano 7 Airpods and Samsung Galaxy S7 S8 S8 Plus Android phones and other Wireless devices. Charger capacity 60mAh and play time 2-3 hours. Z4 headset with Built-in Microphone and Rechargeable Battery iPhone / iPad / Android / Tablet / Sport / Office / Business / Workout. It comes with a Case, Hook and Charging Cable.