Certificate:EMC CE FCC KC CB
High-quality steel/solid wood multi-layer board
MODEL:4920/4921/4930/4931/4940/4941
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CONTROL ：Wireless control system,Bluetooth,Cellphone app,Wechat applet
FUNCTION：Back & Foot adjustment Customize the TV position Curved waist design Memory setting Zero gravity Thrust alarm clock LED under bed light(Gradient brightness adjustable)
OPTIONAL：USB,Massage,Voice control system,Intelligent adaptive sleep system