foldable custom logo wireless bluetooth headphone sd card

product features:

1.4in1= Bluetooth+TF+FM audio +Music in

2.Bluetooth V4.0

3.Inbuilt rechargeable battery

4.Vol + - Button / Next&Foward Button,Play&Pause Button / On&Off Button

5.Talk time:up to 15 hours

6.Music time:up to 10 hours

7.Standby time:up to 300 hours

8.Frequency responese: 20Hz~20KHz

9.Impedance: 32 Ω

product packing detials:

Gift box size: 106*100*50 mm 
Carton size:75*48*39cm 
QTY:50pcs/carton
N.W:16KG 
G.W:16.5KG

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