● Manufacturer Part Number: EMS-1B ● Width x Depth x Height (mm): 36 x 36 x 180 ● Weight (g): 300 ■ Simply attach to a hand-crank mill to eliminate the effort and time required. 36 x 36 x H180 Power supply: Lithium-ion rechargeable battery 3.7V 2200mAh Charging time: Approximately 3 hours Continuous operating time: Approximately 2 minutes Weight: 300g Material: Main body/ABS resin Charging jack cover: Silicone rubber Grinder-specific holder/Methacrylic resin ● Allows you to grind coffee beans faster and with a more uniform particle size. ● Compact size for easy portability. * The mobile mill stick alone does not have a milling function. Please set it to ○ or ○ for use.