Enhanced Robust Bass -Expect powerful sound from the around-ear housings, which feature a 30 mm driver unit and a neodymium magnet. Combine Acoustic Bass Control to help optimize air flow via filter and an acoustic tuning circuit to hone low range reproduction
Extended Battery Life -Experience up to 50 hours of ultra long wireless playback. Say goodbye to the inconvenience of having to charge when travelling. The high-capacity battery of the HF420B enables for up to 50 hours of continuous playback. A single charge provides almost two days of playback.
Built in voice assistant activation & built-in microphone - The headphones' high-quality built-in microphone can be used to activate smart phone Voice Assistants like Siri and Google Assistant. You can now choose music, adjust the level, and make phone calls without having to take out your smartphone.
Specifications
| General |
Driver Unit (mm) |
30 mm |
| Magnet Type |
Neodymium |
| Impedance (Ω) |
- |
| Sensitivity (dB/mW) |
- |
| Frequency Information |
Frequency Response (with cord) |
- |
| Frequency Band (with Bluetooth®) |
20 Hz - 20 kHz |
| Control/ Mic |
Yes / Yes |
| Playback Time with Battery |
Approx. 50 hours |
| Charging Time (25°C/ 77°F) |
Approx. 4 hours |
| Quick Charge (15 minutes) |
Approx. 3 hours |
| Continuous Communication Time |
- |
| Waiting Time |
- |
| Weight |
Approx. 155 g |
| Supplied Accessory |
USB Charging Cord: Approx. 0.5 m
(Input Plug: USB A Shape, Output Plug: micro USB Shape) |
| Advanced Function |
Bluetooth® Wireless Technology |
Version |
5.0 |
| Supported Profiles |
A2DP, AVRCP, HFP |
| Supported Codec |
SBC |
| Operating Distance |
Up to 10 m |
Delivery is made by common carrier next working day. Delivery is FREE for orders in-stock and over £100 or £9.99 for orders less than £100 or special delivery items.
Statutory Cancellation Right
You have the statutory right to cancel your order for any reason within 14 days beginning with the day you receive the item (please see clause 2 of our Conditions of Sale for the full instructions on cancellation and further information on your right of cancellation). We only accept cancellations via phone - 0115 975 8613, email - sales@superfi.co.uk or post - Superfi Returns, DB House, Rani Drive, Nottingham, NG5 1RF, United Kingdom.
Our Voluntary Returns Policy
As well as your statutory cancellation rights described above, you can return most products within 30 days of receipt of the products if the products are complete and are in an unused and undamaged condition. We only accept returns via phone - 0115 975 8613 or post - Superfi Returns, DB House, Rani Drive, Nottingham, NG5 1RF, United Kingdom.
Please note that this returns policy doesn't affect your statutory rights and therefore doesn't affect your right of cancellation as described above.
Please note that you must return each item in the same condition in which you received it. This means that new items must be returned new, unused and complete (including all accessories). Refunds for returned items that are not received in this condition, may be reduced.
