JBL Go 4, Wireless Ultra Portable Bluetooth Speaker, Pro Sound, Vibrant Colors, Water & Dust Proof, Type C REFURBISHED Ergonomic comfort and secure fit:

Ergonomic comfort and secure fit: Enjoy all-day listening with soft silicone tips designed from extensive in-ear ergonomic research for unparalleled earphone wearability

ships from and is sold by authorized Fitbit retailer

understand and track your sleep on your wrist

0 Form Factor ‎Over_ear Includes Rechargable Battery ‎Yes Manufacturer ‎JBL Country of Origin ‎China Item Weight ‎220 g

overlapping apps and external display support

JBL Go 4, Wireless Ultra Portable Bluetooth Speaker, Pro Sound, Vibrant Colors, Water & Dust Proof, Type C REFURBISHED Ergonomic comfort and secure fit:Features Ultra portable JBL Pro Sound . The JBL Go 4 packs a serious musical punch, delivering big JBL Pro Sound with punchy bass. Your friends wont believe how much great JBL Pro Sound comes out of such a small speaker Up to 7 hours of playtime plus 2 hours with Playtime Boost JBL Go 4 gives you up to 7 hours of playtime on a single charge. Simply tap Playtime Boost to prolong the playtime, adding up to 2 hours to your battery life. It tunes and