The Aiwa RS-X100 Natsukasii Pro is a portable Bluetooth speaker rated at 40W with a built-in microphone and a 4000mAh battery. This listing is an Open Box unit, so it is not sold as new. Specifications below are the manufacturer figures for the model.

Aiwa India lists Bluetooth 5.0, TWS pairing, DSP and phone call support, with playback of up to 9 hours at 50% volume.

Key Features

• Output: 40W power output with triple drivers as listed by Aiwa India.
• Inputs: Bluetooth, AUX-IN, USB and TF card.
• Formats: MP3, WMA, FLAC and WAV.
• Battery: Built-in lithium ion 4000mAh, charged over Type-C in about 6 hours.
• Playback time: Up to 9 hours at 50% volume.
• Extras: TWS, DSP, phone call and built-in microphone.

Specifications

Frequently Asked Questions

How long does the battery last?
Up to 9 hours at 50% volume, with a 6 hour charge over Type-C.

Can I take calls on it?
Yes. Aiwa India lists phone call support and a built-in microphone.

What media formats play?
MP3, WMA, FLAC and WAV.

Does it come with a cable?
Aiwa lists a Type-C cable and AUX line for the model. Ask us what is included in this Open Box unit.

Is an Open Box unit new?
No. Open Box means the unit has been opened before, so it is not sold as new. Ask us about the exact condition before ordering.

Is this genuine Aiwa?
100% genuine, backed by the manufacturer warranty, delivered across India.

Shipping & Delivery

We aim to deliver your order quickly and safely across India.

• Orders are usually processed within 24–48 hours (excluding Sundays & holidays)
• Once shipped, delivery typically takes 2–7 business days, depending on your location
• You will receive a tracking link via SMS/email once your order is dispatched
  

Shipping Charges

• Shipping charges (if applicable) will be displayed at checkout
• Free shipping may be available on select products or order values
  

Order Tracking

• Track your order anytime using the link shared after dispatch
• For any assistance, feel free to contact our support team
  

Important Notes

• Delivery timelines may vary due to courier delays, weather, or unforeseen circumstances
• Ensure your address and contact details are accurate to avoid delays
• We currently ship only within India

Easy 7-Day Support

We offer 7-day support from the date of delivery in case of:

• Damaged product on arrival
• Manufacturing defects
• Incorrect item received
  

Conditions for Return/Replacement

To be eligible:

• Product must be unused and in original condition
• Must include original packaging, accessories, and invoice
• Issue must be reported within 7 days of delivery
  

Non-Returnable Items

• Used or physically damaged products
• Products without original packaging
• Items damaged due to misuse
  

How to Request

• Contact us via email or phone with your order ID and issue details
• Share images/videos if required for faster resolution
• Our team will guide you through the next steps
  

Refunds (if applicable)

• Refunds are processed after product inspection
• Amount will be credited to the original payment method within 5–7 business days