Description: This is a hands-free landline telephone for offices and homes. It is a new type of telephone designed and manufactured with advanced technology. The item has call display, call recording, call dialing, and hands-free functions, ect. Adapt to the needs of modern wireless communication management. It's a must-have item for your home and office. Features: 1. 16 normal ringtone selection and 4 classes ringtone volume adjustment function. The bell rings loudly so that you can hear the ringing clearly. Convenient for the elderly to use, they will not miss the phone! 2. 50 groups of 8-bit call storage function. Turn up and down the key to check the incoming and outgoing calls, convenient life is a necessary telephone for home office. 3. 15 group 8-digit dialing numbers and call time records. 3 sets of alarm clock and anti-disturb function. 4. Predial number, cancel number, callback and redial function. R key function and 8-bit local code, out code Settings. 5. Flash off 1000/600/300/180/120/100/120/100 s optional. 6. FSK and DTMF double-format call automatic recognition and reception. Super anti - thunder, anti-interference function. Specifications: Type: Telephone Color: White, Black (optional) Material: Plastic Working frequency: 300-3400Hz Low frequency groups: 697, 770, 852, 941Hz High frequency groups: 1209, 1336, 1477Hz Ringing sound level: >70dB Size: Approx. 21.6 * 17 * 6.8 cm / 8.5 * 6.7 * 2.7 inch Package Weight: 610g Package Include: 1 x Telephone 1 x Telephone Wire 1 x Hand Shank 1 x Handle Curve 1 x Chinese Instruction Manual 1、16 normal ringtone selection and 4 classes ringtone volume adjustment function. The bell rings loudly so that you can hear the ringing clearly. Convenient for the elderly to use, they will not miss the phone! 2、50 groups of 8-bit call storage function. Turn up and down the key to check the incoming and outgoing calls, convenient life is a necessary telephone for home office. 3、50 groups of 8-bit call storage function. Turn up and down the key to check the incoming and outgoing calls, convenient life is a necessary telephone for home office. 4、Predial number, cancel number, callback and redial function. R key function and 8-bit local code, out code Settings. 5、Flash off 1000/600/300/180/120/100/120/100 s optional. FSK and DTMF double?format call automatic recognition and reception. Super anti ? thunder, anti?interference function.