1. Material: plastic 2. Applicable age: over 18 months 3. Eco-friendly material, rounded edges, no burrs 4. Children echo microphone, physical echo, without batteries 5. Microphone lightweight, easy to hold, should not be broken, the baby love to release hands 6. Built-in spring, the use of physics in the acoustic resonance principle to achieve the echo effect 7. Size: about 24 x 8.9 x 5 cm
1. 材质:塑料 2. 适用年龄:18个月以上 3. 环保材质,圆滑边缘,无毛刺 4. 儿童回音话筒,物理回声,无需电池 5. 话筒轻便,便于拿捏,不宜摔坏,宝宝爱不释手 6. 内置弹簧,利用物理学中得声波共振原理达到回声效果 7. 尺寸:约24 x 8.9 x 5 cm