--Comfortable to wear. With the earplugs, you simply clip them over your ears without inserting them all the way into the ear canal. No feeling, just like not wearing it.--Sturdy Fit: True open-fit wireless earbuds, innovative ergonomic design, made of high-quality memory silicone, can be tightly clipped to the ear without pinching.--Headphones are great for running, exercising, and outdoor sports.--Skin-friendly material, simply wipe to refresh.Feature: 1. and Sweat-proof: Professional-grade and fully enclosed sound chamber, preventing the infiltration of daily sweat and rain. 2. Long battery life: The charging box has a build-in 250mah, which has a long battery life. After 1.5 hours of full charging, the charging box can play music for 24 hours. 3. Novel Design: The new generation of open earphone design language makes it not only a earphone, but also a beautiful earring or other beautiful decorations. Make you more attractive. Description: Product Name: adset Product Type: Bluetooth-compatible adset Channel system: wireless stereo Control mode: 1 touch button Active and passive: active Bluetooth-compatible version: V5.3 Bluetooth-compatible effective distance: ≤10 meters Speaker unit: full frequency speaker Φ13 adphone battery capacity: 40mAh Build-in battery: 250mah Music time: about 6 hours (80% volume) Charging time: about 1.5 hours The number of charging times for Bluetooth-compatible adsets: about 2.5 times Standby time: about 65H Color: black, white&sp; Packing list: adset x 1 Charging Cable x 1 Instruction x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.