The Indigi M1 Fitness Bracelet with Wireless EarBuds directly built into the strap is a new intuitive design made for the fitness minded individual. A fitness bracelet and earbuds built into one package so you'll never forget either at home. Hidden from plain view, the earbuds reside inside the fitness bracelet and can be accessed by lifting the screen which exposes the earbuds & magnetic charger. They are designed to be used with any smartphone device(Android or iOS) & The Earbuds pair flawlessly and sync up when playing music. The battery is extremely efficient and provides up to 2 hours of use and up to 150 hours of standby time. The Earbuds are truely wireless as no wires hang from either earbuds. Listen to your favorite bands, track your fitness & health, all without the fuss of wires. <br><br><b>Wireless Earbuds Parameters</b><br> Weight: 0.10 oz (one earbud)<br> Heatset Size: 0.69 inch*0.25 inch*0.49 inch<br> Packing Box Size: 4.72 inch*3.7 inch*1.61inch<br> Working Range: About 10 M/35 feet<br> Battery Capacity: Internal 130mah rechargeable battery<br> Wireless Version: Dual-mode Bluetooth V5.0, Ultra low power consumption<br> Standby time: About 150 hours<br> Working Time: About 2 Hours of EarBud Use, up to 5 days of fitness band use. *Hours vary depending on mixed usage <br>