I9 TWS Mini Wireless Bluetooth Headphones Stero Bass 4.1 With Charging Box Wireless Headset

Features 

Item type:I9 tws Bluetooth earphone

Gross weight: 120g

Frequency response: 20-20KHz

Signal to noise ratio: ≥ 80db

Bluetooth version: V4.1 + EDR

  Speaker: 10mm   

Standby time: 120 hours or more

Transmission range: 10 meters

Size:1.7*4.3cm

Charging Box Size:5.5*6.5cm

Talk Time:2-2.5 hours

Charging Time:2-2.5hours

Charging Box Capacity:600mAh

Listening Time:about 2.5 hours up and down

Battery Capacity:Polymer lithium battery 55mA

Package include

2*mini Bluetooth Headphones with Original Packaging

1*charging box

1*charging box Cable

1*User Manual