ET320 - Astrum TWS

Astrum ET320 TWS True Wireless Earbuds with BT V5.1 Earbuds. Clear sound quality and high-definition voice with 13mm drivers it can play up to 20hrs on a full charge. Dual microphone and touch control with USB-C charging case. Astrum ET320 supports Google Assistance and Siri and compatible with iOS, Android, and with any Bluetooth-enabled device. With dual earphones auto-pairing and intelligent battery management. It will auto shutdown in 5 minutes, if not connected to any Bluetooth device. Use single earphone or both together, as per user convenience and comfort
Color: Black
  • For the products that are originally bought on the Astrum Holdings Limited website, we provide a 30-day return guarantee to maintain great customer care and support. The period of 30 days will be beginning from the date of placement of your order. 
  • Kindly note that we will only accept products that are in unopened original packaging due to health and hygiene factors.
  • The customer must pay for the return shipping costs.
  • If the product is lost in transportation, no compensation will be made.
  • If a customer is interested in tracking the return of the product, please check with the logistics company or post office.
  • The period for the refund for the returned product will be two weeks. A refund will be made to the original purchaser’s credit card within two weeks.
  • Items that were originally bought from third-party dealers or authorized dealers cannot be returned directly to us. 

Astrum Holdings Limited  Warranty Period

This document sets forth the warranty policy of Astrum Holdings Ltd, which thereby guarantees that, under customary use, the item will be liberated from defects in materials and workmanship for one (1) year beginning with the first retail buy date. The substitution guarantee will be only effective if the genuine proof of transaction that was issued to the buyer, containing the date of buying, is produced along with the product which is to going to be replaced. 

Warranty Terms and Conditions 

Astrum Holdings Ltd will not be liable to honor any claims that are not claimed with original documents of transactions. The buyer shall get in touch with the company initially and shall submit a valid entitlement request under the guarantee,  along with:

  1. A short description of the fault or Malfunctioning 
  2. The evidence of the acquisition (order number or recite number)
  3.  Buyer’s creational such as buyer name, address, email id or contact number 


Once your claim is reviewed by the company, varying from case to case, facilitate the buyer with  Warranty services over one or more of the following options:

  1. Firstly, restore your product with the usage of and/or formerly used parts that are equivalent to new in overall performance and reliability
  2. Secondly, update your product with a product that is as a minimum functionally equal to the product and is fashioned from new and/or previously used parts which might be equal to new in performance and reliability.
  3. Thirdly, refund your transaction price in exchange for the product.

Applicability of  The Astrum Holdings Limited Warranty

This warranty policy will be only applicable to the terms and conditions that are mentioned in the warranty policy of Astrum Holdings Limited.  

This warranty isn't covering all of the Accessories, Spare Parts, Replacement Parts items. They are wear and tear items, and damage that clearly and unavoidably occurs due to normal wear or aging.

  1. The products that were not originally purchased from the Astrum Holdings Official Store, but from different third-party sellers. 
  2. Defects and damages due to falling, mechanical harm, dirt, cerumen, damp, moisture, chemical products, abnormal effect damage, loss, theft, hearth, or force majeure.
  3. Any Esthetical modifications, damages due to normal wear and tear or aged product. 


45mAH Polymer lithium battery
upto 4h playtime & 6h phone call
90 days standby with box.


BT5.0 connectivity
Type-C for charging


Dual Pairing Mode
Pick-up and Connect


6mm Driver & Moving coil composite membrane.


wireless Earbud

Product Details

  • Color: Black/White/Gold
    Design: TWS Mini Compact Bluetooth Earphone
    BT version: V5.1, backward compatible.
    Control mode: Capacitive Touch control
    Protection: IPX4 rated
    Material: ABS+PC
    Drivers size: 6mm
    Frequency: 20Hz – 20KHz
    Charge interface: Type-C USB
    Earbud Battery: 45mAh rechargeable battery, 3.7V
    Case Battery: 260mAh for 3 cycles of earbuds charging
    Charge time for earbuds: 1 hour/ 60 minutes
    Charge time for casing: 1 hour/ 60 minutes
    Earphone Impedance: 16 Ohms
    Bluetooth frequency: 2.402GHz – 2.480GHz
    Driver sensitivity: 94dBM
    Seamlessly switch between mono or binaural mode, as per user convenience and comfort, very user friendly.
    Support System: Compatible with any BT enabled devices.