

Overview
This earphone is made of alloy casing, which is comfortable to handle and has heat dissipation performance. The appearance is compact and easy to carry, with a 3.5mm input and output interface, suitable for connecting all kinds of smartphone equipment.
Features:
Using alloy , feel comfortable, heat dissipation.
The appearance is small and atmospheric, easy to carry.
There is an independent gain control switch. The operational is suitable for both positive and negative supplies.
With 3.5mm input and output interface, suitable for connection of various types of smartphone equipment.
Built-in 600mAh rechargeable , low consumption, working is about 8 hours.
Specifications:
Input / Output Port: 3.5mm input
Capacity: 600mAh
Usage : 8 hours
Working Voltage: DC3.7-4.2V
Voltage: DC5V
SNR: ≥116db
Distortion: 0.001%
Output : 32Ω 130mW
Load Impedance: 16-300Ω
Frequency : 20Hz-20kHz(±3db)
Item Size: 10*6.2*1.5cm / 3.94*2.44*0.59in
Package Size: 13*8*4cm / 5.12*3.15*1.57in
Package Weight: 132g / 4.66oz
Package List
1 * Headset
1 * USB Cable
1 * User Manual
Notes:
There is a inside the machine, please do not open it privately.
Please do not use the machine at a high and humidity environment.