
Lee Guitars Used Bluetooth Hygrometer Thermo-Hygrometer [CGM1]
Product Condition
Brand New | Unused, as sold. |
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Mint | Like new, no flaws. |
Excellent | Barely used, very minor wear. |
Very Good | Light wear, fully functional. |
Good | Visible wear, plays fine. |
Fair | Heavy wear, still playable. |
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Description
Description
You can manage the temperature and humidity of not only acoustic guitars, but also ukuleles and other classical instruments with a smartphone app!
This revolutionary item allows you to check the temperature and humidity using a smartphone app without having to open the case!
There is some dirt on it, but it has been tested and is still in working order.
*The image is a sample. There is not much difference, but please note that the degree of dirt may vary slightly from item to item.
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Powered by a CR2032 button battery, it has a lightweight and compact design weighing just 33g (including battery weight).
A 26mm diameter E Ink high-resolution display with a wide viewing angle and excellent visibility.
The sensor uses a globally standard temperature and humidity sensor manufactured by the Swiss company SENSIRION.
Magnets are also installed on the back of the display and sensor units.
The sensor part is inserted inside the instrument and sandwiched between the wood panel.
It can be fixed and attached by automatic magnet suction.
Therefore, the only way to measure the temperature and humidity inside an instrument is to
This is one of the major features of this Lee Guitars thermometer/hygrometer.
It also has Bluetooth 5.0 functionality, and by pairing it with a free dedicated smartphone app,
Even if your instrument is stored in a case, you can still use it with your smartphone within Bluetooth range.
You can check the temperature and humidity using the smartphone app without opening the case.
Furthermore, this data is automatically recorded and can be managed within the app.
-Product Information-
E-ink high-resolution display (26mm diameter)
World-standard temperature and humidity sensor from Swiss company SENSIRION
Equipped with Bluetooth 5.0
Powered by CR2032 button battery Weight: 30g
Temperature measurement range: 0℃ to 50℃
Humidity measurement range: 0 to 99% RH (no condensation)
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
For orders exceeding Paypal’s transaction limit of 1 million yen, we will provide more details. For secure transactions, items will only be shipped to the address registered in your Paypal account.
Regarding detailed information and contact information to us, please check FAQ.
Please Note
The following information applies to international orders.
■ Condition
Items with “USED” in the product name are pre-owned and will be delivered as shown in the photos. Signs of wear may be present. All items are function-tested by our staff and rechecked before dispatch.
■ Stock
Many products are stocked across Ikebe stores in Japan. As a result, shipment may take several days. In-store sales may also cause items to sell out. If an item is unavailable, we will contact you promptly; in that case, the order will be canceled and any payment will be refunded.
■ Shipping
We ship via FedEx. Shipments are fully insured against damage or loss during transit.
- Asia: 10–20 days (estimated)
- North America & Oceania: 20–30 days (estimated)
Shipping costs are calculated based on the delivery address and confirmed at the time of dispatch.
■ Taxes & Duties
Import duties, taxes, and fees are the buyer’s responsibility and are not included in the item price or shipping cost. These fees are typically collected by the carrier upon delivery or at pickup. Please check with your country’s customs office for details before purchasing.
■ Other
We cannot declare a reduced item value or mark purchases as gifts.
* Warranty
Our product warranty is valid only within Japan.
* Voltage
All electrical products are intended for the Japanese market and are designed for 100 V operation.

About us
Founded in 1975, Ikebe Music is one of Japan's largest general music stores.Thanks to its long history and proven track record, it has earned the trust of musicians and music fans not only in Japan but around the world.
Ikebe Music ships not only within Japan, but also overseas.As a well-known retailer of used musical instruments in Japan, we have a wide selection of used and vintage instruments.
We have a wide variety of unusual and rare instruments, so please take a look.Please note that we do not list new products, as our contracts with our suppliers prohibit international shipping.
About our stores
In Japan, we have about 30 stores in Tokyo (Ikebukuro, Shibuya, Akihabara) and Osaka.
We have just opened our flagship store, IKESHIBU (IKEBE SHIBUYA), in Shibuya, Tokyo, which brings together numerous musical instrument specialty stores and serves as a hub for entertainment culture.
Please be sure to stop by if you are visiting Japan.


About Shipping





We carefully pack every item with protective materials to ensure it arrives safely.
The photos above show an example of how we securely pack a bass guitar for shipping.