• A2 Dual TWS True Wireless Bluetooth Headphones
A2 Dual TWS True Wireless Bluetooth Headphones

A2 Dual TWS True Wireless Bluetooth Headphones

CSR In-ear Stereo Music Headsets Invisible Earphone Hands-free w/ Microphone Charging Box Emergency Power Bank for Exercise Business Home Use Blue

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  • China Warehouse

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A2 Bluetooth Headphone is specially designed for you to listen to music and answer calls while doing sports or driving, which features advanced True Wireless (TWS) Bluetooth 4.2 Technology, built-in high-grade microphone and speaker, hands-free function and lightweight design. It’s a great companion for your daily life, office time, driving or travel.  

[TWS Bluetooth Design]

Wireless dual ear stereo design, left and right ear channel separation. You can use A2's left and right ear headset solely (Single Track Mode), or used them in pairs (Stereo Mode). True Wireless (TWS) Bluetooth 4.2 ensure strong signal and fast transmission, and offers high-fidelity stereo music.
[Lightweight and Invisible]
The Bluetooth headset each with 5g lightweight, mini size and 3 sizes of ultra-soft ear cap 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 cancels the ambient noise and enhances call audio transmission performance, ideal for in-car calling or working use.
[Charging Box & Emergency Power Bank]
Built-in 700mAh charging box can charge the headset and you can 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. 50mAh rechargeable battery in each headphone ensures 2.5 hours of music time, 4 hours of talk time.

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

Model Number: A2
Bluetooth Version: V4.2
Operation Range: Up to 10 meters (no obstacle)
Supports A2DP, HFP, HSP, AVRCP
Frequency Response: F100 Hz-20 KHz, deviation 10db max.
Impedance: 32Ω
Speaker Unit: φ 8mm
SNR: ≥90db
THD: 5% max at 1 KHz 2mW
Output Power: Nom 2mW, max 3mW
Transmission Frequency: 2400MHz-2483.5MHz
Charging Box: 700mAh rechargeable battery
Battery capacity: 50mAh rechargeable battery for single headphone
Music Playing Time: About 2.5 hours (The Music Volume will affect the time)
Talk Time: about 4 hours
Charging Box Supplies Charging Times: 7 times (theoretically)
Charge Time: about 1 hours
Charge Port: Micro USB
Charging Box Input Voltage: DC 5V
Charging Box Output Voltage: DC 5V/ 1.5A
Color: Black, Blue (optional)
Headphone Size: approx. φ 1.6 * 2.9cm / φ 0.63 * 1.14in
Headphone Weight: approx. 5g / 0.20oz
Package size: approx. 15.5 * 10.4 * 2.5cm / 6.10 * 4.09 * 0.98in
Package weight: approx. 139g / 4.93oz

Package List:
1 * Headsets with Charging Box   
1 * USB Cable
2 * Pairs of Ear cap
1 * English / Chinese User Manual
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