i7s TWS True Wireless Earphones Invisible Headphones

i7s TWS BT earphone is specially designed for you to listen to music and answer calls while doing sports or driving, which features advanced True Wireless (TWS) BT 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:

Advanced BT Technology:

True wireless (TWS) BT technology ensures transmitting strong signal in high quality & high speed and offering high-fidelity stereo music.

TWS BT Design:

Wireless dual ear stereo design, left and right ear channel separation. You can use the Left and Right ear earphone solely (single track mode), or use in pairs (stereo mode).

HD Microphone:

High-sensitivity microphone reduces ambient noises and grasps the detail of voice, ideal for in-car calling or working use.  

Multi-point Connection:

It can simultaneously connect two smarts phone. So you can seamlessly switch between your business and personal phones.

Box:

The 450mAh box can charge for the earphones and can be used as a perfect storage case for them, protecting them from damages.



Specifications:

Model Number: i7s

BT Version: 4.2+EDR

Transmission Distance: 10m (no obstacle)

Frequency Response Range: 20Hz-20KHz

Mic Sensitivity: -42dB

Impedance: 32Ω

Battery: Earphone: 2 * 3.7V / 45mAh; Box: 3.7V / 450mAh

Time: about 1-2 hours

Music Play Time: about 3-4 hours

Standby Time: about 100 hours

Color: Black, White (optional)

Earphone Size: Approx. 4.7 * 1.8 * 1.8cm / 1.85 * 0.70 * 0.70in

Box Size: approx. 6.7 * 5.5 * 2.7cm / 2.63 * 2.16 * 1.06in

Item Weight: approx. 40g (32g of the box, 4g of each earphone)

Package Size: approx. 9.8 * 9.8 * 3.3cm / 3.85 * 3.85 * 1.29in

Package Weight: approx. 92g / 3.24oz



Package List:

1 * Pair of Earphone

1 * Box

1 * Micro USB Cable

1 * User Manual (Chinese & English)