New Technology Waterproof M4 Smart Watch 2020 Best Seller Men Women Wristband Bluetooth Android Bluetooth Sports Smart Bracelet

M4 smart watch
It is the most popular sports watch on the market nowadays.

1, sports Bluetooth bracelet features a new upgrade, high transmission, high compatibility, high waterproof, user-friendly design, free color change, three standby interfaces, free switching, swimming waterproof, sports fitness, ECG test, can also measure blood pressure heart rate sleep Monitor your ECG and more to protect your health.

2, the bracelet is ergonomic design, coupled with low-sensitivity TPU material, fits the wrist curve, not only stylish, but also very comfortable to wear.

• We are the professional factory specialized in Mobile Phone Accessoires : Bluetooth Earphones , Tempered Glass Screen Protector , Mobile Phone Case , Data Line , Car Wireless Charger , Wireless Charger ;

• Competitive Price We have our own complete production lines to provide a competitive price;

• Strong real production capacity to assure fast delivery time for you;

• Multiple private molds to choose which is different with mold in the open market.

• Many certificates for factory and products which can meet different requirement of you;

• Customer Service: Your inquiry will be replied within 24 hours;

• OEM / ODM Service: We have strong production capacity and R&D department;

• Design Service: Our proessional designer team, we can design for you depend on your requirement;

• QC Service: Strict quality control inspection before shipment;

• Delivery Time: Phone Case sample: 1-2 days, Order 3-7 days. Bluetooth Earphone sample: 1-3 days, order:3-7 days; Screen Protector sample: 1-3 days, order:3-7 days; 

• Warranty: One year.