Earbuds feature a sweatproof design and are paired together right out of the box; Includes 3 sets of eartips: 1 small, 1 medium, 1 large and USB-C to USB cable With a built-in microphone, both earbuds work during phone calls; Wireless range: 49 feet On-ear control: play/pause/skip/phone answering/on/off; Voice prompts and charge indicator Rechargeable case; USB-C port for battery recharge Built-in rechargeable lithium ion battery; Battery life: ~3 hours at 50% volume and ~2 hours at 100% volume Bluetooth v5.0; connects to devices up to 49 feet away. Compatible with various Bluetooth-enabled systems; including Apple and Android devices