SPOVAN H03 1.14 inch TFT HD Screen Smart Bracelet Supports Blood Oxygen Monitoring(Black)

1. Main chip: GR55152. Case material: ABS+PC3. Strap material: TPU + stainless steel buckle4. Maximum wrist circumference: 256mm5. Battery capacity: 150mAh6. Waterproof level: IP677. Screen size: 1.14-inch TFT high-definition color screen 135x2408. Normal use: 7 days9. Standby battery life: 15 days10. Watch language: Chinese, English11. Support accurate blood oxygen, sleep monitoring, blood sugar monitoring, and body temperature monitoring12. Use conductive powder metallurgy electrodes and pulse time difference method to measure blood oxygen with high precision