"Safety Warning
Do NOT machine wash."

CAR KEY SIGNAL BLOCKER: It is designed as a hand held size key protection bag only for a single key fob. It protects your car key from being stolen and also protects your car key against damages, dust and scratches.

IMPROVE DESIGN:The interior design is like a small box. Combine faraday bag and faraday box, strongly blocks signals with high quality double layer carbon fiber material and thick shielding clothwhich gurrantee for signal isolation.100% block. It's designed to keep your keyless fob safe from thieves.

PREMIUM QUALITY: Hook design for hanging, internal key chain ,pu leather carbon fibre and smooth metal zipper design, your car get protected when you put your keys into this bag. Convenient and good sewn craftsmanship. Convenient use it every day and also a perfect business gift.

ONE FIT ALL : Exterior size : 9.5*5.5 cm , internal size:8*4cm , our signal blocking box boasts compatibility with over 99% of remote key fobs to ensure the maximum protection.

MONOJOY QUALITY COMMITMENT : Please kindly refer to the key bag size before you place the order and test it first when you receive it. If for any reason you are not satisfied with your signal blocking case, please contact us. LIFETIME WARRANTY and 100% MONEY BACK,100% satisfaction guarantee for risk-free shopping!

About us

Shenzhen Gekai Technology Co., Ltd. is an enterprise integrating R & D, manufacturing, marketing and service. The company specializes in the development and production of mobile phone protective cases. The main products are: various mobile phone protective shells, protective films, data cables and various creative accessories,
Complete product variety and fashionable.
ABS, PC, silicone, TPU, PU and other materials to choose from, and can perform a variety of fuel injection, plating, water paste, thermal transfer, silk screen, LOGO and other post-processing processing.

The company's management model and system are perfect. It has obtained ISO9000 quality management system and DISNEY certification, and has continuously introduced advanced management ideas to carry out system reform and innovation. From product research and development, production, quality assurance, and service, it has satisfied customers with excellence .
Has many years of experience in exporting to Japan and Europe and the United States and other countries and regions, strict quality requirements, full product inspection, fully undertake domestic and foreign OEM and ODM project orders.

We have a vibrant, stable and professional team. We will uphold the tenet of "professional integrity, customer first, excellent products, excellent service" to serve our new and old customers.

Brand History

MONOJOY is a Chinese lifestyle brand that designs and produces faraday car key accessories in the premium market segment. The brand is influenced by happy accseeories lifestyle we purse, we are focus on not bring people normal accessories only,but also a kind of lifestyle. Each Season, our collections are carefully created to go hand in hand with current fashion trends. Since our launch in June of 2016, our aim has been to bring something new and exciting to market by creating cases that will allow our customers to protect their phone in style,and keep good mood.

Operation Principle:

Growing Up Together With Business Activity.

Core Value:

Professional Responsible Effective Innovative.

Management Philosophy:

No reason, only results;

No grease, only merit;

Happy working, healthy living.

Sipirit:

Don’t Forget Why We Started and Move Forward Bravely;
Keep the Promise,Keep improving.