Let's take a look at why they choose our Bluetooth headset.Usual in-ear headphones: ①There will be pain after a long time in the ear. ②Traditional in-ear earphones cut off outside sound, which is very dangerous if you are driving or exercising outdoors. ③Traditional Bluetooth headsets have small electric capacity, are frequently charged, and are inconvenient to use. Our bone conduction bluetooth headset:①We have achieved no ears, no ear damage. You can enjoy good sound quality even if it is not in your ears. ②The earplugless design makes it easy to understand the surrounding environment, making you safer when driving or outdoor sports. ③140mAh large capacity lithium battery life. Willful listening to songs and willful conversations. Feature:*Extremely thin* Only 9.5 grams of weight, maximum battery life and quality are guaranteed.*Large battery capacity* 140mAh battery capacity, standby time up to 120 hours, continuous playback time up to 6 hours. Dare to receive the “baptism” of sweat and waterIPX5 waterproof structure, no fear of the impact of sweat. How to Use:Answer the call:①Click the multi-function button to answer the call. ②Long press the multi-function button for two seconds to reject the call. Listening to music:① Click the multi-function button to play and pause the music. ② Press plus or minus to adjust the volume. Package Includes:2 x Headphone 1 x Charging Cable1 x Manual