Semiconductor cooling chip, fast cooling, non-traditional air-cooling principle. Closely fit the mobile phone, large heat dissipation area. No need to charge, plug and play, reserve a charging port location. Comfortable grip, ergonomic design, not tired after playing for a long time. Unobstructed wind crossings, noise reduction, and mute design, without affecting voice communication. Compatible with 4-6.5 inch mobile phones.
Product size: 149×107×45mm Product size: 147x103x38mm Power supply mode: USB direct supply Material: ABS + Alloy Input voltage: DC 5V Input current: 1.5A-2A Additional function: bracket