A modern-day essential, True Wireless Stereo earbuds are used for voice or video calls, watching movies on your device, or simply enjoying music, audiobooks or podcasts. They provide a snug fit, with a clear and crisp sound, and the microphone facilitates your talking during phone or video calls. Housed in a compact charging case, these earbuds fit easily into your pocket or bag. Pair the earbuds with your device once via Bluetooth, and you won’t need to do so again – they will automatically pair thereafter as soon as you remove the earbuds from the case. These True Wireless Stereo earbuds are priced to offer exceptional value without compromising on connectivity, quality, or reliability. You can adjust the volume or change to the next song using the button controls on the earbuds. case: 5.4 ( l ) x 4.1 ( w ) x 2 ( h ) cm ABS USB Charging cable included Specifications: Bluetooth version: 5.0 Bluetooth distance: 10 meters input: DC 5V case lithium polymer battery: 3.7V / 300mAh earbuds lithium polymer battery: 3.7V / 30mAh charging time: 1-2 hours playtime: 2-3 hours standby time: 96 hours sensitivity: 100±5db frequency response: 20Hz - 20KHz impedance: 32O