HUAWEI B7 2-in-1 Bluetooth-compatible Earphone AMOLED Screen Smart Wristband Pedometer Sports Bracelet

• Bluetooth-compatible headset and sports bracelet 2-in-1 design, dual-mic noise reduction for clear conversation at all times
• Upgrade liquid silicone eartips for more comfort
• 3D flexible curved screen, titanium-colored stainless steel body
• Supports automatic blood oxygen detection
• Support multiple sports modes, professional training evaluation

Specifications:

• Compatible systems: HarmonyOS 2 and above; Android 7.0 and above; iOS 9.0 and above
• Material: stainless steel metal case
• Battery capacity: 120mAh
• NFC: Not supported
• Bluetooth-compatible version: 5.2
• Transmission range: Maximum connection distance: 150m in open environment
• Charging interface: Type-C
• Theoretical working hours:
• Typical usage scenario: 2 days of battery life: factory default configuration, heart rate is always on, use scientific sleep at night, use headphones to answer mobile phone calls for 10 minutes every day, listen to mobile music for 30 minutes, turn on automatic pressure detection, turn on automatic blood oxygen detection, average weekly exercise 90 minutes, turn on message notifications (50 messages, 6 calls, 3 alarms per day), keep the screen on for 30 minutes per day.
• Theoretical charging time: about 65 minutes
• Microphone: Dual MIC noise reduction
• Sensor: Acceleration sensor, Gyroscope sensor, Heart rate sensor(PPG), Ambient light sensor, Hall sensor
• Buttons: 2 earphone pick-and-place buttons, press simultaneously to pop out the earphones, 1 side button, support long press, short press, double click
• Working temperature: -10℃~+45℃
• Storage temperature: -20℃~+55℃
• Waterproof grade: IP57
• Screen size: 1.53-inch AMOLED flexible screen
• Screen pixels: resolution 460*188, PPI 326
• Suitable wrist circumference: 140-210mm