Hans Innovation Group

Vibration speaker (Vs) is a new product, the principle and the traditional piston-style speakers and flat speakers (NXT) is different from the structu

Vibration speaker (Vs) is a new product, the principle and the traditional piston-style speakers and flat speakers (NXT) is different from the structu

Vibration speaker (Vs) is a new product, the principle and the traditional piston-style speakers and flat speakers (NXT) is different from the structu

Vibration speaker (Vs) is a new product, the principle and the traditional piston-style speakers and flat speakers (NXT) is different from the structu

Vibration speaker (Vs) is a new product, the principle and the traditional piston-style speakers and flat speakers (NXT) is different from the structu

3D stereo Toy Puzzle is a hands-on, learning, entertainment in one of the DIY ( Do It Youself )educational toys. DIY jigsaw vibration speaker is the t

3D stereo Toy Puzzle is a hands-on, learning, entertainment in one of the DIY ( Do It Youself )educational toys. DIY jigsaw vibration speaker is the t

Vibration speaker (Vs) is a new product, the principle and the traditional piston-style speakers and flat speakers (NXT) is different from the structu

Capacity of internal rechargeable Polymer Lithium ion battery: 1000mAh Safe protective integrated circuit to avoid overcharging, Can be applicable t