Bluetooth 5.1 headset with CVC 8.0 noise cancellation Bluetooth V5.1 for faster, more stable transmission transmission distance up to 10 m (32.8 ft) without obstacles CVC 8.0 noise cancellation delivers more natural, distortion sound quality and clear calls Battery and charging case up to 12 15 hours of continuous calling on a single charge up to 100 hours of use with the charging case 480 hours standby time TypeC quick charge provides 12 hours of talk time with a 1.5 hour charge Microphone for calls and hands calling microphone designed for calls; helps you hear others clearly while reducing ambient noise answer incoming calls normally press and hold the volume / button for 2 seconds to activate/deactivate the microphone Comfortable to wear main housing weighs 12 g (0.42 oz) ear hook adjustable for a customized fit streamlined design fits left or right ear Compatibility and performance works with Bluetooth enabled devices; compatible with most smartphones, tablets, and laptops Practical use scenarios Office or remote work: clear calls and hands video conferences On the go: commuting, travel, and daily tasks with long battery life Exercise and outdoor activities: secure, comfortable fit during workouts or outdoor use