Go Kin charges most smartphones in 1-2 hours. A five-minute walk will provide 45-75 minutes of talk time on a smartphone (30 minutes walking = 4.5-7.5 hours talk time).
Talk time varies considerably due to the variety of phones, batteries, efficiency of the phone etc.
We try to err on the conservative side so our numbers are more useful and accurate.
The Go Kin can charge a variety of electronic devices. Some are illustrated below:

Dimensions:  (W x L x H), 3.3” x 9” x 5.8” ( 8.4 cm x 22.9 cm x 14.7 cm)
Weight: 2.6 lbs/1.2 kg
• Two USB ports (2.4 amps each, 3.9 amps total)
• DC Jack for wall outlet charging (9-24V)
Charging Capabilities:
• Compatible with most USB 3.0, 2.0 and 1.0 devices
• Supports standard and proprietary (eg Apple, Samsung) charging schemes.

Onboard Battery:
• Lithium-ion 3.7V, 5600mAh
Wireless Capabilities:
• Communicates with smartphone app using Bluetooth Low Energy (v4.0) to preserve phone and Go Kin battery life.
• Compatible with Android and iOS operating systems.

Mobile App

Power Generated
Battery strength
Calories Burned
Carbon footprint
Adjustable Resistance (0-100%)