Rich bass stereo sound: with the enhanced tuned speaker and CSR chip, Mpow upgraded wireless headphones deliver a faster and more stable wireless connection to your devices, and immerse you in a richer bass stereo and high-quality hi-fi sound. Simply take them out and they're ready to use with all your devices. And its built-in CVC 6. 0 noise reduction microphone provides you clearer voice for hands-free calls with others.

Enhanced circuit board: with an upgraded circuit board, this new version has better over-voltage protection and water resistance. You can fully trust its durability and safety in charging, sweat and light rain. This in-ear Sport headphones are perfect for running, walking, cycling, jogging, hiking, yoga, fitness, etc.

The Power of 7~9 hours battery life: Mpow upgraded wireless earbuds deliver up to 7~9 hours battery life and 250 hours standby time with only 1. 5 hours quick charge. Mpow Bluetooth in-ear headphones will be bound to make your workout more pleasurable to the next level. It can be charged via the supplied USB cables.

IPX7 waterproof technology: with IPX7 waterproof technology, Mpow lightweight Bluetooth headphones are built for performance with a reinforced design for sweat and water resistance, So you can take your workouts to the next level.

Ergonomic comfort and security: Great sound starts with proper fit, Mpow high-performance workout earphones were also crafted with a focus on ergonomic comfort to give you the best listening experience possible. The soft silicone ear tips with different sizes ( XS, S, M, L) and memory-foam ear tips offer personalized comfort and secure-fit wingtips provide stability. And the flexible ear hooks ensure a secure fit for you during workouts. 45-Day worry-free return & 24 months .