Product net weight: 44g
Gross weight: 107g
Packing specification: 10. 6*8.7*3.6
Box gauge: length 44. 5 width 37.5 height 23

Battery capacity: Headphone single side 50mAH / charging compartment 600mAH
Charging power supply: AC input 110-240V, DC output 5V
Transmission power: Class2
Wireless frequency: 2. 402-2.480GHz
Call duration: 2 hours or so
Music playback: 3-4 hours or so
Charging time: 1-2 hours
Noise Reduction: DSP Intelligent Noise Cancellation Technology
Operating range: 10 meters effective distance
Bluetooth version: V4.2
Voice: Support
Support Protocol: HFP HSP A2DP AVRCP
Function: Call answering, hang up call registration, hang up, listen to music pause/play, voice report, tail number redial, caller number, smart voice prompt, power indicator, noise reduction

instruction

Pairing method: long press the red and blue lights to flash alternately.
After powering on, keep pressing for three seconds until the pairing tone appears and enter the binaural pairing state.
After the pairing of the ears is successful, the main ear red and blue lights alternately flash, and the auxiliary ear lights are extinguished. The blue light flashes slowly after the connection is successful.

attention

1.charging

When you charge your case and earbuds at the same time,earbuds can not  be charged full.
because when the case battery became full,charging stop automatically to protect your battery.
So if you want charge your earbuds full.
You need to recharge your earbuds from charge case after you charge your case

2.pairing

When you want use 2 earbuds at same time
Be careful to wait the earbuds pair each other
When you push function button and watch Bluetooth setting
You will find two Tws-7
It means the earbuds under pairing each other.
When you find two Tws-7 become one,pairing is over
You can pair your iPhone with earbuds after their  pairing