●Bluetooth 5.0 ●800mAh Charging Battery ●Battery Display ●Siri and Google Assistant ●DSP and Dual Mic Noise Isolation | Warranty : 3 Months Brand Warranty (One time replacement in whole warranty period)

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

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)

Model: PurFree BC01 | Open-ear Design | Professionally waterproof | 8-hour battery life | Dual-device connection |

1.78″ AMOLED Display & 60Hz Refresh Rate . IP68 Dustproof and Waterproof. SpO2 and Temperature Monitoring. 10-day Battery Life Magnetic Strap

Model: Haylou RS4 LS12. 1.78" (368 x 448) AMOLED HD Display. 12 workout modes, Alipay Offline Payment. IP68 waterproof, SpO2 tracking. 10 days battery life, Sleep monitoring.

Model: Haylou RS3 LS04. SpO2 tracking. Waterproof grade: 5 ATM. Display screen: 1.2" AMOLED display. Battery life: About 12 days (24 hours of heart rate monitoring).

Model: Xiaomi Haylou GT1 Pro TWS. Solid Sound Quality. 26 Hours Battery Life. Bluetooth Version 5.0. IPX5 Sweat Waterproof.

Model: Haylou GT7. Low-latency Game Mode. Advanced Bluetooth 5.2. AAC audio codec. AI call noise cancellation.

Model: Haylou W1. Knowles Balanced Armature & Dynamic Drivers. CVC 8.0 & 4-Mic Noise Reduction. Qualcomm 3040 aptX Adaptive Chip. Intelligent Touch Control.