E3TW | Hammer TWS

Product information

Product Detail

How to Control - Touch Sensor

1. Power will be on when you take out earphones from the charging case.

If the earbuds do not automatically power on, tap the touch sensor for 2 seconds. Red and white LED lights will flash then the power will be on.

How to Charge

A. How to Charge - Earbuds

1. When the earbuds have low power, an in-ear audio prompt will sound and the LED indicators on the earbuds will stay red.

2. Put the earbuds in the charging case.

B. How to Charge - Charging Case

1. LED indicator in front of the charging case displays the battery level.

2. Connect the Type C USB cable to the back of the charging case and the other end to a USB port or USB plug.

How to Connect (Pairing)

* Should not restart the pairing process again once paired. The earbuds will automatically connect to the last paired phone.

Connecting Dual Mode
When you take out the left and right earbuds from the charging case, they enter standby mode. Then, search "E3TW" in your smartphone's Bluetooth setting and complete the connection.

Connecting Single Mode
E3TW has been upgraded for customers who would like to use left or right earbud individually.
* Using Single Mode is advised to use in potentially hazardous situations.

Precautions for use

  • Recommend to fully charge the battery before using the earbuds for the first time.
  • If the earbuds have been unused for extended periods, please fully charge the battery before using them.
  • You should use caution or temporarily discontinue use in potentially hazardous situations.
  • Using headphones with both ears covered while driving is not recommended and may be illegal in some areas while driving.
  • If the earbuds do not pair properly, you may need to reset them and try pairing again.
  • Do not store the earbuds in a place where the temperature is between 0 and 45.
  • The touch-sensitive sensor on the earbuds may be delayed in Low temperature conditions.
  • IPX5 means the light is protected against low pressure water jets from any direction. It is not suitable for water activities such as swimming, so please use caution when using them.

Redbean One - Year Limited Warranty Summary
Redbean warrants the included hardware product and accessories against defects in materials and workmanship for one year from the date of the original retail purchase.
Redbean does not warrant against normal wear and tear, nor damage caused by accident or abuse.
To obtain service, please visit a Redbean Online Service Center(redbean.support). Please refer to the full terms and detailed information on obtaining service available at (redbean.support/warranty). If you submit a valid claim under this warranty, Redbean will either repair, replace, or refund your hardware device at its own discretion.You may be required to provide proof of purchase details when making a claim under this warranty.


REDBEAN Wireless Earbuds
Model No.
Part Classification

5V 1,000mA

5V 100mA
50mAh Each
Charging Hours
1 Hours 
2 Hours 
Standby Hours
168 Hours 

Continuous Play Time
4 Hours (60% Volume Base)

Bluetooth 5.0

Wireless Distance

20.7*40.7*23.7mm / 4.5g Each
76.5x35.5x31.5mm / 37g
IPX5 Water-resistance