CHINO-E Dual SIM Wireless Landline 4G Network Card Phone Desk Phone Full Network Support 4G 5G Mobile SIM Card Home Office Unicom Mobile Telecom C265B Dual SIM Black

These cards are not supported and should be avoided to prevent malfunction

HD hands-free calling with professional HD hands-free chip design for clear conversations without holding the handset

One-touch dialing with 10 shortcut keys (digits 0-9), long press 3 seconds to dial stored number

Caller ID announcement and key tone announcement to identify incoming calls and avoid dialing errors

Large capacity phonebook supporting up to 200 contacts

Call recording function with automatic and manual recording options; supports up to 32GB memory expansion

Blacklist function to block unwanted calls

SMS functionality supporting sending and receiving Chinese and English text messages with simple operation

Adjustable screen backlight for visibility in dark environments

Wall-mountable design to save space and enhance aesthetics

External antenna for improved signal reception

Large capacity battery for extended usage

If unsure about SIM card compatibility, contact online customer service for assistance

The product is designed for voice calls and SMS; data services on 3G/4G networks are not supported