Bluetooth 5.3 Wireless Audio Receiver HiFi Music Amplifier Adapter AUX RCA NFC. Sleep monitoring: support. Blood p-ressure: support. Product Type: Heart rate smart bracelet. Alarm reminder: support. Color flow between the wrist colorful strap with ergonomic design, classic hole wrist buckle design, suitable for a variety of wrist upgrades soft and comfortable, tough and wear-resistant, sweatproof breathable multi-color strap can be matched.
