The A’Ray True Wireless Auto Pair Earbuds with ANC are compatible with Bluetooth 5.0 and feature Auto-Pairing, Auto-Power On, and Active Noise Cancellation capabilities. Once they’re removed from the included case, the earbuds will automatically power on and sync together. The case doubles as a powerbank for the earbuds and can be charged using the included Micro USB Cable. Once the case is fully charged, it will power the earbuds 4x from 0% to 100%. With an ergonomic design that stays put and supplies up to 4 hours of playback at maximum volume, these ABS plastic earbuds are a stylish travel essential. Key Features Material: ABS plastic Charging Time: 1.5 hours (case and earbuds) Playback Time: Up to 4 hours at max volume when fully charged Auto-Pairing automatically syncs earbuds Auto-Power On automatically activates earbuds Active Noise Cancellation (ANC) for loud environments Built-in touch music controls and microphone Includes a Micro USB cable and rechargeable powerbank case Ergonomically designed