[STUNNING SOUND QUALITY] Featuring V5.0 that produces incredible sound quality with intensified bass and crystal crisp treble. True wireless earbuds can block out a lot of surrounding noises, and do avoid wind noise created during running, yoga, cycling, jogging, etc.
[STRONG & STABLE CONNECTIVITY] Provides stable and seamless connectivity with V5.0 and high sensitivity antenna enabled devices up to 33 feet away, which also ensures low latency and low energy features during data transmission.
[EASY TO USE] The earbuds automatically turn on and connect your smart phone when removed from the case; automatically turn off and charge when put back in the case. Also, the headphones can be used to answer/reject a call, skip/play/pause songs, and activate voice assistant, such as Siri, Google Assistant etc.
[PORTABLE & ERGONOMIC DESIGN] Ultra-thin and capless design charging case for easy carrying, even in the skinny jeans pocket, you still feel comfortable and relaxed. Mini in-ear design and extremely light weight with five pairs of ear tips to ensure your headphones stay comfortably firm in place and improve the experience on sports.
[LONGER BATTERY LIFE] It is up to 3-4 hours playing time when headphones fully charged. Else the portable charging case could recharge the earbuds 5 additional times. The total play time could be up to 21 hours. JellyBlue LT39 using the high-performance polymer lithium battery, battery life will not be significantly reduced even after 1 year of use. (WARRANTY: You are fully covered by our 1 YEAR WARRANTY and 30 DAYS RETURN GUARANTEE, all you need to do is contact us directly)