5 hot products at Mobile Electronics show (Day 4)

Shenzhen Carehom Cloud's dual-use Kuke is a slim power case for the iPhone 5, 6, 6 Plus, 6s and 6s Plus fitted with a 2,400mAh polymer battery cell. When users open an app in their smartphone, the product's built-in processor can expand the phone's memory up to 64GB, freeing up the handset's internal memory. The power case also doubles as a Lightning port storage and an OTG device.

Company: Shenzhen Carehom Cloud Technology Co. Ltd

Booth number: 10K36

Shenzhen LockPhone's encrypted smartphone, also called LockPhone, uses a special algorithm and CPU to encrypt data such as calls, e-mail and SMS at 1,024 bits. The encrypted data does not leave any trace on any server. To encrypt and decrypt data, both sender and receiver have to use a LockPhone. The product can also be used as a regular smartphone.

Company:Shenzhen LockPhone Co. Ltd

Booth number: 6M24

The Linkcase Pro from Unplug is an iPhone 6/6s case that boosts 3G/4G and Wi-Fi via electronic magnetic waveguide, which is the latest in signal-enhancing technology. Two sliding mechanisms in the case can resonate with the mobile phones antenna to provide better signal. The case is made of PC for better shock and scratch resistance.

Company: Unplug Ltd

Booth number: 3C02

Shenzhen Topyea has released an iPhone 6, 6 Plus and 6s case for rugged outdoor activities. The product can prevent water ingression at 2m for 30 minutes and survive a 2m drop. It is also dirt- and dust-resistant, and can withstand up to -40 C. A small ring on the top-left corner can be used to hang the case from a bag.

Company: Shenzhen Topyea Technology Co. Ltd

Booth number: 10P06

The model T80 from Howellworld is a tablet PC with a mini projector in one corner. The projector delivers 60-lumen images or videos from the tablet. With USB 2.0 and OTG ports, the model can be used as a regular projector. An 8in 5-point TFT screen is used as its display. A Boss speaker with a Class-D amplifier is embedded as well.

Company: Howellworld Technology Co. Ltd

Booth number: 7L06