Features: 【Invisible Design & Ergonomics】Invisible earbuds are designed according to the shape of the ear, very mini design style, very light, fit the ear hook securely, suitable for long-term wear, will not cause discomfort to the ear. 【DESIGNED FOR SLEEPING】Very mini and invisible earbuds body design, if you like to sleep with earbuds and don't like the foreign body sensation in your ears when sleeping on your side, then these sleep earplugs are the best for you. Sleep on your side without squeezing your ears, and the U-shaped rubber skin-friendly ear caps make the earphones fit your ears all night 【Simple Touch Operation】This hidden earbuds for work is very easy to use. With a built-in microphone, you can easily switch between pausing music, answering calls, rejecting calls, or tracking music with the touch of a finger without taking out your phone. All things become easier and easier 【DOUBLE NOISE CANCELLING TECHNOLOGY】Excellent physical noise cancelling combined with acoustic noise cancelling technology, you can enjoy a quiet sleep time with sleeping earbuds. Stay away from snoring and baby noise [Ultra -long battery life]: 1h charging, and the charging box can be continuously played for 24h, long battery life 480h, and a quick charging. Built -in microphone, you don't need to take out your mobile phone, you can easily switch to pause music, answer calls, refuse to answer or track music. Everything becomes easier and easier. Specifications: Model: MD558D Bluetooth version: 5.3 Sensitivity: 96db + 3db Charging interface: TYPE-C Frequency response range: 20HZ-20KHZ Impedance: 32Q±15 % Single use time: 6-8 hour Standby time: 240 hour Manufacture Country: China Transmission range: 10m Bluetooth version: 5.3 Size: 75mm×40mm Charging time: approx. 60 minutes Charging times of charging compartment: 4-6 times Standby time approx: 480 hours Earphone Type: In ear Microphone: yes Waterproof: yes Waterproof rating: IPX5 Playback Control: Yes Microphone: yes Colour: white, black, khaki Wireless Type: Bluetooth Noise Reduction: active Package includes: 1 * Wireless Mini Earbuds with Charging Case 1 * USB Cable 1 * User Manual Notes: Please read the instruction manual carefully before use. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.