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⚡ Power your sound and charge your hustle — all in one sleek adapter!
The Belkin Rockstar 3.5mm Audio Adapter with USB-C Charge is a versatile, dual-port adapter that enables simultaneous high-fidelity audio output and fast charging up to 60W. Compatible with a wide range of flagship devices including iPad Pro, Samsung Galaxy, Google Pixel, and Sony Xperia, it ensures uninterrupted calls, music, and power on the go. Designed for professionals who demand seamless multitasking, this compact adapter combines superior sound quality with rapid charging in a travel-friendly form factor, backed by a 2-year limited warranty.





| Asin | B0CF98H7XW |
| Best Sellers Rank | #2,705 in Electronics (See Top 100 in Electronics) #47 in Headphone Adapters |
| Brand | Belkin |
| Color | White |
| Compatible Devices | Galaxy S23, S23+, S23 Ultra, Galaxy Note20, Note20+, Note20 Ultra, Note10, Note10+, Note10 Ultra, Google Pixel 7, iPad Pro (12.9) 4th Gen, iPad Pro (12.9") 3rd Gen, iPad Pro (11) 2nd Gen, iPad Pro (11.0), iPad Mini 6, iPad Air 4, Huawei P30/P30 Pro |
| Connector Type | Auxiliary, USB Type C |
| Current Rating | 2 A |
| Customer Reviews | 3.6 3.6 out of 5 stars (1,340) 3.6 out of 5 stars |
| Finish | Tpe |
| Item Dimensions | 1.3 x 7.75 x 0.42 inches |
| Item Weight | 27 g |
| Manufacturer | Belkin |
| Mfr Part Number | NPA004btWH |
| Model Number | NPA004btWH |
| Nominal Power | 12 watts |
| Number Of Items | 1 |
| Number Of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | Type A - 2 pin (North American) |
| Specific Uses For Product | Headphones |
| Unit Count | 1 Count |
| Upc | 745883863730 |
| Warranty Description | 2 year warranty |
| Warranty Type | Limited |
User
Works well, and better than others, treat it carefully
2023: Seems to work just fine. I also bought an off-brand import version of this that is just a "Y" of the wires. The block piece on this one is just a little cumbersome and may get in the way for use while walking, hiking, biking, etc. but it should not be too troublesome. I bought this for play in the car, so that's less of a concern for me. I already had a ground loop noise isolator for the car, and I have not tried this item without it, so I cannot speak to any potential interference when used without one. The sound quality appears to be good. Many of these advertise a bit rate and frequency. I do not believe there is anything exceptional to this item in that regard. Craftmanship can be a factor there too though. I have not really tested the limits in terms of sound quality (loud play, complicated songs with lots of bass and/or treble), but so far it plays well.***Update 2026: I know this one has some durability concerns, but this is still the best option out there. Mine lasted just short of 3 years with regular use in the car, and me paying little mind to its care. It started cutting out with even the slightest movement at that point. Still, this is the best sound option that I have found. Other brands require a higher volume setting to get the same sound, and some randomly cut out from the get-go. Also, this is the only item that has allowed me to stay plugged into my car speakers and run calls with my phone's mic (Teams, regular phone), while other brands do not (they will give care speaker sound, but my mic will not operate).So durability concerns aside, I got 3 years out the first unit, it has the best sound that I have found, and it works with my phone's mic while plugged in. If I have to keep buying every 3 years, that is not great, but far from terrible considering the amount of use and the functionality.
User
Does not fast charge. Barely charges at all.
I've been using a version of this for years. I got an iPhone 17 recently and bought this spliter.When I plug in the phone it says it's charging, but then amends that to "slow charging" with a little blue cable icon. Advertised as 30W fast charging, but this doesn't even really qualify as charging. After an hour drive the phone has barely made any progress. It basically just keeps up with being on.In retrospect, the product description is sketchy looking. Describes it as a "power bank?"I bought this without looking too hard due to past good experience with Belkin brand. But going to try someone else.
User
Great sound and size
This is such a great value, easy to use. My iPhone and iPad recognize it immediately, it charges well, it’s low noise and hifi, and it’s easy to connect too. Great for travelers.
User
5/5; it is my go-to as a necessity
Functionality: 5/5Functions as intended with no issues since I've purchased it.Durability: 3/5Has a plastic shell, so I would not advise being rough with the product in terms of tossing it around, yanking it off from the phone, etc. Treat it with care and it'll last long.Connection speed: 5/5No indication of lag when connected to my Apple earphones and Anker charging cable.Charging ability: 5:5No indication of slow charging. Charging speed seems to be about the same without this connector and just having my phone plugged directly to the charging cable.Heat level: 5/5At most it gets warmCompatibility: 5/5No issues connecting to the Apple 3.5mm earphones and Anker USB-C to USB-A charging cableExtra info:I previously used this version of the product for my iPhone 11 pro that had the lightning cable, and also had no issues with it.
User
Too loud at lowest setting.
This works, but the lowest volume setting is still too loud for listening in bed.
User
Stick with the white one
I got this one and asked for a replacement. Neither on worked and the cover at the base that goes into the phone slips off way too easily. Ive used the white version for years with no problems. Im sticking with the white one from now on.
User
Slight high-pitched sound
Works well in my older car to play music but there was a slight high-pitched sound when you turned the volume up.
User
Marvelous!
Excellent gadget. Saved me hundreds of dollars. My 2005 truck only has an AUX input port and that stopped working when my new phone came without a 3.5mm phone jack. Bluetooth does not work with my old radio. In order to get Bluetooth connectivity, I would have had to install a new radio and matching speakers. I could have purchased a Bluetooth adapter to connect the 3.5mm AUX plug into the AUX input, but reading reviews on alternative Bluetooth dongle adapters, convinced me that there are volume and noise problems.I just tried the Belkin RockStar™ 3.5mm Audio with USB-C Charge Adaptor plugged into my AUX in jack and it is providing excellent results. I can make and receive phone calls and the cell phone charges just fine. Streaming music is static free. Liking this solution the best.Pros: It works with the phone set at low to mid volume. Works with my antiquated radio and amplifier. Excellent sound. I would buy another one to replace it should it ever fail in the future. I would recommend it to friends and strangers.Cons: Not free, but a reasonable price.DISCLAIMER: This review was not generated using AI, nor was it part of any sponsored promotion. I'm just a regular guy trying to save a few bucks.
User
Overpriced
Overpriced piece of trash, costs way too much for it to lose connection on phone end after a month. Happens everytime, will never buy this trash again.
User
問題なし。
xiaomi14tできちんと動作します。音声もきれいに取れるし充電も問題ありません。接続時にポップノイズが出ますが、気になるところはその程度です。
User
Dålig kvalitet
Funkade i ett par dygn, sedan knastrade det till och den slutade fungera. Antingen inte alls eller bara i ena hörluren. För detta pris förväntas en högre kvalité. Rekommenderas inte!
User
This is what we talking about
Highly recommended flowers
User
Belkin transformador
Funciona genial y el sonido excelente, transparente y nítido … una maravilla
Trustpilot
2 months ago
3 weeks ago