Overview:
Strengthen and rehabilitate your fingers with this food-grade silicone grip trainer. Three resistance levels — light (grey), medium (blue), and firm (black) — let you build hand and finger strength at your own pace, or grab all three in the value set. Compact, durable, and easy to take anywhere.

Specifications:
Bluetooth Version: V3.0+EDR
Frequency: 2.4026GHz-2.480GHz
Transmission distance: 30 ft or so
Transmission distance of MIC: ≤3 ft
Li-ion Battery:3.7V/120mA
Charging time:2.5 HRS
Standby time:60 Hrs
Continuous working time: about 5Hrs
Bluetooth name:Magic Hat
Size:19.5x7.5cm
Speakers can be taken off so that you can wash the hat
Quantity:1pc
Color: Rose Red,Deep Blue,Black，Gray
Weight : 75g

Package Content：
1x Headband