With The Features Of BT 4.2 Technology, 3.5mm Audio Port, Built-In Microphone And Speaker, TF Card MP3 Player, Hands-Free Call, And FM Radio, The BT Headphone Is A Super Companion For You During Daily Life And Travel.

BT Connection: With BT4.2 Function, Easy To Pair With Almost All The BT-Enabled Audio Devices, Freely To Enjoy Wireless Music And Hands-Free Calls.
AUX-IN Function: Connect To The Audio Devices (Such As MP3/MP4, Laptop, Etc) Without BT Function Via The 3.5mm Cable (NOT Included).
Long Battery Life: Built-In 200mAh Rechargeable Battery Lasts 6-8 Hours Of Music Playing Time Per Charge Cycle.
Ergonomic Design: Adjustable Headband Length, Foldable Soft Leather Ear Cushion, Comfortable To Wear, And Easy For Storage.
High-Sensitive Mic: HD Microphone Reduces Ambient Noises And Grasps The Detail Of Voice. You Can Get High-Quality Hands-Free Phone Conversation.

Specifications:
Brand Name: NIA
Model Number: S3000
BT Version: 4.2
Support Profiles: A2DP/ACRCP
Operation : 10 Meters (No Obstacle)
Frequency Response: 20Hz-20KHz
Impedance: 32Ω
Sensitivity: 108±3dB
FM Frequency: 87.5-108MHz
Music Format: MP3, WMA, WAV
Speaker Unit: 40mm
Battery Ty: 200mAh (Depends On Music Volume)
Working Time: 6-8 Hours
Standby Time: About 200 Hours
Charging Time: About 2 Hours
Charging Port: Micro USB
Color: Black
Item Size: Approx. 20.5*16.5*8.3cm/8.07*6.49*3.26in

Packing List:
1 * NIA S3000 Headset
1 * Charging Cable
1 * User Manual (English)