ขาย วงแหวนขยายเสียงสําหรับโทรศัพท์มือถือ & Rj11 อะแดปเตอร์วงแหวนขยายเสียงโทรศัพท์ ราคาที่ดีที่สุด

2 x Telephone Ring Amplifier: 1 x a + 1 x b Volume: 75dB; Size: 9.3cm long ( at the longest ), 5.6cm wide ( at the widest ), 2.7cm thick. ( at the thickest ); Need another adapter for UK buyers or others Installation: Connect the c/o line plug with ringer's jack,the Grey Ringer's plug connect with telephone. This product is to increase the volume of telephone ring in noisy places. To help the hearing-impaired to recognize ring coming. This portable Telephone Ringer goes between your telephone set and the wall phone line to boost the volume of the ring The Telephone Ringer wonders in pronouncing incoming calls particularly in noisy places It helps the hearing-impaired, the heavy sleepers, and people who love wandering far from their phones. Product Name : Amplified Telephone Ringer Material : Plastic Color :As Shown Flasher Color : Red Size : 3 inch x 2 inch x 1 inch (LWD) Package Content : 2 x Telephone Ring AmplifierOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.