MOQ flexible. Bulk orders get additional discounts. OEM branding available.
3.7" widescreen BLE ESL — gateway-free, zero infrastructure cost
Smartphone app for instant updates — update prices from anywhere in store
4-color BWRY for compelling promotional and end-cap style displays
416×240 resolution — enough for product descriptions and images
5+ year battery — ideal for large product display installations
IP54 rated — reliable in showrooms and home goods retail environments
Perfect for appliance showrooms, sporting goods, and home improvement stores
| Display Technology | E-Ink (Electronic Paper) |
| Screen Size | 3.7" |
| Resolution | 416×240 pixels |
| Display Colors | Black / White / Red / Yellow (4-color) |
| Communication | Bluetooth 5.0 (BLE) |
| Gateway Required | No — smartphone app control |
| App Range | ~10 meters from smartphone |
| Battery Life | 5+ years (typical usage) |
| Operating Temperature | -10°C to +60°C |
| IP Rating | IP54 (Dust & Splash Resistant) |
| Material | ABS plastic housing |
* Specifications subject to change without notice. Contact us for the latest datasheet.
BLE-370BWRY Electronic Shelf Label (Bluetooth) — 3.7" E-Ink electronic shelf label (ESL) featuring Black / White / Red / Yellow (4-color) 4-color display. Powered by Bluetooth 5.0 (BLE). No gateway needed — smartphone app control. Battery life up to 5+ years. IP54 rated for dust and splash resistance. Operating temperature: -10°C to +60°C. Ideal for Larger retail displays, appliance showrooms, home goods, sporting goods.
Tocvue ESL labels use ultra-low power E-Ink (electronic paper) technology — the same display used in Kindle e-readers. The screen only draws power when the content changes, resulting in a 5+ year battery life. No backlight needed — paper-like readability from any angle, even in direct sunlight.
The BLE-370BWRY is available in two connectivity versions: SLIM Series (2.4GHz) requiring the CEDAR V3 AP gateway for centralized management of hundreds of tags, and BLE Series (Bluetooth 5.0) requiring no gateway — controlled directly from a smartphone app. Choose the version that best matches your store size and deployment requirements.
Factory-direct from Tocvue — professional ESL manufacturer since 2016. Contact us for wholesale pricing, sample units, and OEM customization.
The BLE-370BWRY is a 3.7-inch Bluetooth ESL from Tocvue, designed for displaying prices on larger products like laptops and electronics. It connects via Bluetooth 5.0 (BLE) and is controlled entirely through a smartphone app — no gateway installation needed. The 416×240 pixel E-Ink display supports 4 colors (Black/White/Red/Yellow) for clear pricing and promotional messaging. With 5+ years battery life, it is an ideal digital price tag for 3C electronics stores and retail showrooms.
BLE-370BWRY operates via Bluetooth 5.0 (BLE) and connects directly to a smartphone app. No base station, no gateway, no IT infrastructure needed — simply install the app and start updating prices within minutes.
3.7-inch inch E-Ink screen displays prices in Black, White, Red, and Yellow. Red and yellow highlighting makes promotions and clearance prices instantly visible to shoppers, driving attention to featured items without paper waste.
Powered by CR2450 batteries, BLE-370BWRY delivers over 5 years of continuous operation under normal use (up to 4 price updates per day). Batteries are user-replaceable, eliminating the need for unit replacement when power runs low.
Prices update in real time across all tags simultaneously. Whether changing a single item or running a store-wide promotion, changes reflect on shelf labels within seconds — no walking the floor with paper tags.
With IP54 dust and splash resistance, BLE-370BWRY is built for the retail environment. Its slim profile fits standard shelf rails, and the e-ink display remains readable even under bright store lighting.
Contact us for wholesale pricing. MOQ flexible. Samples available.
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