Back Bay Audio Duet 50 Pro Sweatproof Wireless Bluetooth Earbuds, 130 Hour Long Battery Life for iPhone, Android, Mini Charging Case, TWS Headphones with Microphone, Gift for Runners

[130 Hours of Battery Life] Enough battery for any adventure! These long lasting bluetooth headphones can play music for 8 hours straight, and the charging case holds 122 more hours of playtime. A single charge of the case with a USB-C cable can power 130 total hours
[Dual Microphones Clear Phone Calls] Take wireless phone calls and control your music on your iPhone or Android. These are the best Bluetooth earbuds with mic, wireless mic for cordless phone calls. The bluetooth earbuds battery life is also stellar
[Back Bay Signature Sound] These long battery life earbuds are tuned in our Boston HQ to produce the rich tone of the classic American hi-fi stereos - strong bass, natural midrange, and crisp highs. The Duet 50 Pros have a full, vibrant sound
[Sweatproof] Not only are the Duet 50 Pros long lasting headphones, they are fully sweatproof and can handle long runs in the rain and snow. The bluetooth wireless earbuds nano-coating creates
IPX-5 rated sweat-proofing [NOTE: Not for Swimming]
[Charges Your Cell Phone] Just plug in the included charging converter cable to the case, and you can charge any kind of iPhone or Android. The small earbuds (audifonos bluetooth inalambricos pequeños) can be an extra power source for your cell phone