Specifications:
Ergonomic in-ear headset, comfortable to wear.
4 speakers and dual moving coils design, give you 6D surround effect.
Bluetooth 4.1 chip, stable and fast transmission.
Support TF card playback.
Item Name: Bluetooth Earphone
Material: ABS
Bluetooth Version: V4.1
Audio Frequency Range: 2.402-2.480GHZ ISM Band
Receiving Sensitivity: -80dBm
Wireless Emission Standard: Class 2
Channel: 79 Channels of 1MHz Band Width
Connecting Method: Point to Point
Emission Range: