Wireless Bluetooth Headphones CSR In-ear Stereo ( Item#: V3123 )

K3 Bluetooth Headphone is specially designed for you to listen music and answer calls while doing sports or driving, which features advanced True Wireless (TWS) Bluetooth 4.2+EDR Technology, built-in high-grade microphone and speaker, hands-free function and lightweight design. A great companion for your daily life, office time, driving or travel.  

Features:
[TWS Bluetooth Design]
Wireless dual ear stereo design, left and right ear channel separation. You can use K3's left and right ear headset solely (Single Track Mode), or used them in pairs (Stereo Mode). True Wireless (TWS) Bluetooth 4.2+EDR ensures strong signal and fast transmission, and offers high-fidelity stereo music.
[Lightweight and Invisible]
The Bluetooth headset each with 6g lightweight, mini size and 3 sizes of ultra-soft earcap provide you long time wearing comfort, and guarantees 100% stable when walking, running, climbing, driving, skating, cycling, fishing and other outdoor sports.
[Built-in High-quality Microphone]
High-sensitivity microphone with CVC6.0 Echo Cancellation and DSP Noise Reduction technology cancells the ambient noise and enhances call audio transmission performance, ideal for in-car calling or working use. Integrated Multi-point Technology enables you to switch between your business and personal phones.
[Charging Box & Power Bank Function]
Built-in 400mAh charging box enables headset charging for 5-6 times, recharge the cabin through Micro USB interface. It can also work as a power bank to charge your smart phone, MP3, tablet PC and more. Very convenient to custody the headphones, avoids loss of them.
[Long Battery Life]
The headphones will charge automatically in the charging box and stop automatically after fully charged. 45mAh rechargeable battery in each headphones ensures 3-4 hours of music time, 3 hours of talk time.

Highlights:
Invisible Multi-function Button: With one button, you can easily control playing / pausing, previous / next track, answering / ending an incoming-call and redialing the last number.

Specifications:
Model Number: K3
Chip: CSR
Bluetooth Version: V4.2+EDR
Operation Range: Up to 10 meters (no obstacle)
Supports A2DP, HFP, HSP, AVRCP protocol
Frequency Response: 20Hz-20KHz
Sensitivity: 95dB±3dB
Impedance: 16Ω
Charging Box: 400mAh rechargeable battery
Battery capacity: 45mAh rechargeable battery for single headphone
Music Playing Time: 3-4 hours (The Music Volume will affect the time)
Talk Time: about 3 hours
Standby Time: about 300 hours
Charge Time: about 1 hours
Charge Port: Micro USB
Color: Pink
Headphone Size: 2.0 * 2.0 * 2.7cm / 0.78 * 0.78 * 1.06in
Headphone Weight: 6g / 0.20oz
Package size: 14.5 * 5.5 * 3.7cm / 5.70 * 2.16 * 1.45in
Package weight: 90g / 3.15oz

Package List:
1 * Headsets with Charging Box   
1 * USB Cable
2 * Pairs of Earcap
1 * Pair of Earhook
1 * English / Chinese User Manual