Knowles Balanced Armature Driver & Dynamic Driver Bluetooth 5.0 | Call Noise Reduction | 24H Battery Life

Excellent Performance and Sound Quality Bluetooth 5.2 | 65ms Low latency 12mm dynamic driver | Semi in-ear

You Define Who You Are | Online dial replacement | Heart rate monitoring 12 sport modes | 20-day battery life.

● Bluetooth 5.0 is really wireless, just pick it up ● Master-slave switching, stable and continuous connection ● Lightweight and portable, easy to hide ● 12 hours of continuous music playback ● AAC HD decoding protocol HD sound quality Warranty : 3 Months Brand Warranty (One time replacement in whole warranty period)

A Touchable Exquisite Design | TFT, HD and High Light Display Screen | Fashion Metal Frame | 12 Professional Sport Modes | IP68 Waterproof Grade | 30 Days Of Standby or 15 full days of heart monitoring.

Model: Haylou GST LS09B (Global Version) | Sensor: Motion, Heart Rate , Blood Oxygen Sensor | Compatible OS: Android 6.0, iOS 11.0 or above | Battery Capacity: 220mAh; Waterproof: IP68 | APP Name: Haylou Fun, Waterproof: IP68