Underpillow Music Disc Ultra-thin Listening Device Sleep White Noise Pillow Side Mini Bluetooth Speaker Supports TF Playback

High-concerned chemical : None Weight[g] : 120 Input/Output : USB Battery Capacity[mAh] : 200 Maximum wireless range[m] : 10m-20m Sound Mode : Hi-Res Sound Mode Category : Speakers Use : Home Sensivity : 80dB Bluetooth Version : Other Input Power(W) : <25 W Impedance : 4 Ohm Voice Control : No Frequency Range : 20Hz-20KHz Waterproof : No Support APP : No Material : ABS Inbox adaptor : Yes Intelligent Personal Assistant : M Audio Crossover : Full-Range Number of Loudspeaker Enclosure : 1 Power Source : Battery PMPO : 5 W Channels : 1 Battery : Yes Communication : USB Speaker Type : Portable Cabinet Material : Plastic Power Source : Battery Support Memory Card : Yes Label:Yes