TWS 320 True Wireless Headphones ( Item#: V3886B )

This true wireless stereo Bluetooth 4.1 headphone is light, invisible and fashionable, built-in high-grade microphone & speaker, hands-free calling function and lightweight design, convenient for you to listen music and answer calls while doing sports or driving.

Features:
[TWS Bluetooth Design]
Wireless dual ear stereo design, left and right ear channel separation. You can use it's left and right ear headset solely (Single Track Mode), or used them in pairs (Stereo Mode). True Wireless (TWS) Bluetooth 4.1 ensure strong signal and fast transmission, and offers high-fidelity stereo music.
[Built-in High-quality Microphone] 
High-sensitivity microphone grasps the detail of voice, ideal for in-car calling and working use. Perfectly sets your hands free when you're at work or driving.
[Lightweight & Invisible] 
The Bluetooth headset with 4.0g lightweight, mini size and ultra-soft ear caps, provide you long time wearing comfort, and guarantee 100% stable.
[Duration Time] 
Comes with charging box and built-in rechargeable 50mAh Lithium battery lasts up to 3 hours of talking time or music playing time.
[Easy Operation] 
Simple to operate, easily control pausing, previous / answering / rejecting / ending an incoming-call and redialing the last number.

Specifications:  
Model Number: TWS 320
Bluetooth Version: 4.1
Frequency Response: 20Hz-20KHz
Impedance: 16±15%Ω
Sensitivity: 96±3dB
Operation Range: Up to 10 meters (no obstacle)
Supports A2DP1.3 / HFP1.6 / AVRCP1.6 / DI1.3 protocol
Charging Box: 300mAh rechargeable battery
Battery capacity: 50mAh rechargeable battery for single headphone
Music Playing Time: about 3 hours (Under the maximum volume )
Talk Time: 3 hours
Total Standby Time: 120 hours
Charge Time: about 45 minutes
Charge Port: Micro USB
Color: White; Black (Optional)
Headphone Size: 3.2 * 1.5cm / 1.25 * 0.59in
Headphone Weight: 4.0g / 0.14oz (For Single Headphone)
Package size: 13.7 * 9.5 * 4.0cm / 5.39 * 3.74 * 1.57in
Package weight: 114.4g / 4.03oz

Package list:
2 * Headset with Charging Box  
6 * Ear Cap (S/M/L)
1 * USB Cable
1 * User Manual