CILIFER® Retro Phone Handset with Wireless Bluetooth and USB Handsets for Cell Phones Radiation-Proof Comfortable Call.

Brand: CILIFER
Color: Black
Telephone Type: Cordless
Number of Batteries: 1 Lithium Ion batteries required. (included)
Power Source: Battery Powered
Dialer Type: Single Keypad
Item dimensions L x W x H: 1 x 1 x 1 inches
Answering System Type: Digital
Item Weight: 0.22 Kilograms
Compatible Devices: Cellphones

If you are a nostalgic person, trust me this retro handset will definitely make your calls fun and stylish!
The handsets for cell phones has high-definition speakers and a microphone, and the frosted earpiece shell is more durable.
Simple operation - menu key: pick up/hang up, voice +/- buttons for volume control during calls, and usb interface rechargeable.
The bluetooth handset support any mobile phone, computer, as long as there is Bluetooth support.
Retro telephone handset are the vintage gift option for those who are nostalgic.