Maskery Multi-Functional Headwear & Neckwear Watermelon High-top 1-2 hoursCharging room input current:

1-2 hoursCharging room input current: 5v1aHD call: single callAuto pairing: SupportedKey lights: Red/BlueWater Density: ipx7 waterproof (no contact with hot water)Product features: play pause

Hips: 89 cm

Ultra-low power consumption continuous 24-hour heart rate monitoring

Working distance:10M

Maskery Multi-Functional Headwear & Neckwear Watermelon High-top 1-2 hoursCharging room input current:Maskery multifunctional headwear can be used in in a variety of ways; hairband, do rag, beanie, balaclava, half mask, sahariane, headband, pirate cap, full mask, face mask, foulard, hood, neckerchief, wristband etc.. Suitable for yoga, the gym, jogging, all sporting and outdoor activities. Suitable for men and women. Length is 47 cm, width is 48 cm, high elasticity, suitable for head circumference 53 62 cm. It is a kind of microfiber which can provide