Description: Wireless Earbuds: Upgrade LED power display. Made of Skin friendly and lightweight ABS plastic, comfortable to wear, ergonomics for daily use. Lavalier Earphones: The earphones are clipped to the clothes, and the ears are not sore or tired. they will not fall off. You don't have to worry about the loss of the earphones to answer at any time. The unique listening and retractable cable function design is more convenient, no need to put the earphones in the ears for a long time Features: Call vibration reminder function, intelligent voice reminder caller number, one for two, can connect two mobile phones at the same time. Long Lasting : 5.2, high fidelity transmission stable and fast. built in battery, 140mAh large Capacity Battery. talking time can lasts 20H. Compatible for iOS/Android, fully compatible, able to connect Compatible with most devices with on the market, mobile phones, , notebooks, etc. Note: Before connecting to a computer, you need to purchase a adapter. Specification: version: V5.2 Transmission distance: 10M Transmission frequency: 2.4G HZ Charging voltage: DC5V Charging time: less than 20 minutes Talk time: about 20 hours Music time: about 20 hours Standby time: about 180 days Battery capacity: 140MAH Size Chart: 56x25x13mm/2.20x0.98x0.51inch Package Includes: 1 piece Earphone 1 Piece Manual 1 Piece Charging Cable 2 Pieces Earcaps