21.5 Inch Portable 4K Touch Screen Smart TV Stand with Built-in Battery

• Customization: Available
• Screen Size: 21.5 Inch
• Aspect Ratio: 4:3
• Screen Type: Capacitive
• Resistive Touch Screen Type: Digital
• Customized: Non-Customized
• Trademark: LETINE
• Origin: China
• Production Capacity: 10000 Pieces/Year

Product Description

System Parameter
CPU	MTK8788 Octa core 4*ARM [email protected] 4*ARM [email protected]
RAM	4GB
ROM	64GB
OS	Android 12
Display Parameter
resolution	1920*1080
Screen type	IPS
Viewing Angle	85/85/85/85(L/R/U/D)
Contrast ratio	1000:1
brightness	300cd/M2
Aspect Ratio	16:9
Response Time	14ms
Display Colors	16.7M Colors
Touch screen	10 point G+G Capacitive touch
Battery Pack Parameter
battery type	Li-ion of 21700
battery capacity	12V/15000mAh
Full battery life	6-7H
Net work
WIFI	802.11b/g/n/a/ac/ax (WiFi 6)
Ethernet	100M/1000M
Bluetooth	Bluetooth 5.0
Interface
Power Jack	DC power input
MIC-IN	External microphone input
Earphone Output	3.5mm earphone output
USB	USB 2.0 Host
TYPE-C	yes
HDMI IN	Support 1920*1080@30hz
Other information
Warranty	3 year
package	Foam + carton(wooden box optional)

 

Q: Are you a factory or trading company? What is the MOQ?
A: Yes, we are a factory and have some items in stock. You can order 1 piece for testing.

Q: Could you provide OEM&ODM service?
A: Yes, we have an engineer team for hardware, software, mechanical, and testing. Can customize as per customer's demand.

Q: How to order?
A: 1) Tell us product demand, quantity, color, and other special requirements. 2) Engineer team will evaluate and provide a proposal. 3) Proforma Invoice will be made and sent for your approval. 4) Productions will be arranged upon receipt of your approval and payment or deposit. 5) Goods will be delivered as stated on the proforma invoice.

Q: How do you guarantee the quality?
A: Letine has multiple tests from material purchasing to finished products by different departments, like QA, QC, and Sales team to guarantee all products are in perfect condition before shipment. All products need to complete a 72-hour aging test to ensure no problem. We also accept inspection by the third party you appointed.

Q: How do you arrange transportation?
A: If small sample orders suggest express delivery (7-10 days) or air freight (10-15 days), if bulk production advise by sea more favorable. Please consult customer service for more details!

Q: What is your warranty?
A: Normally it is 1 year. We have a professional after-sales service team, specific details can consult customer service.