We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green rectangular HiFi player with 4.7 inch screen, 3.5 mm and 4.4 mm jacks

BFKK

BFKK HiBy R4 Green 32GB Android 12 4.7" 4500mAh 3.5mm 4.4mm Bluetooth 5.0 WiFi 4

SKU CH-KRVR-KNKSH

A portable digital audio player running Android 12 with 32 GB storage, 4.7-inch screen, 4500 mAh battery, 3.5 mm and 4.4 mm headphone outputs.

  • ColorGreen
  • Android 12 with octa-core SD665 processor for smooth streaming
  • 4 DAC chips, 28 tantalum capacitors and Class A amp deliver true Hi-Fi sound
  • Dual 3.5 mm single-ended and 4.4 mm balanced headphone outputs
  • 4500 mAh battery and 4.7 inch HD LCD screen for long listening sessions
  • Bluetooth 5.0 with LDAC, aptX HD, UAT and WiFi 4 for wireless freedom

HiFi Android player with dual headphone outputs

The BFKK HiBy R4 is a portable audio player running Android 12 on an SD665 octa-core processor with 3 GB of RAM and 32 GB of internal storage. It supports microSD expansion up to 2 TB for large music libraries. The 4.7-inch LCD touchscreen provides access to streaming apps such as Spotify, Tidal and YouTube. A 4500 mAh battery powers extended listening sessions.

Wireless limits set by WiFi 4 and Bluetooth 5.0

Dual-band WiFi connects on 2.4 GHz and 5 GHz networks for app downloads and DLNA or AirPlay streaming. Bluetooth 5.0 enables two-way audio with support for LDAC, aptX HD, aptX, AAC, SBC and UAT codecs. Wireless audio quality is bounded by the Bluetooth 5.0 implementation and the WiFi 4 standard used for network transfer.

Dual DAC architecture with DSD256 and PCM768 support

Four DAC chips, dual low-phase-noise crystals and 28 tantalum capacitors feed a Class A headphone amplifier with independent PCM and DSD signal paths. The player decodes native DSD256, PCM up to 768 kHz / 32-bit and performs MQA 16X unfolding. Both 3.5 mm single-ended and 4.4 mm balanced outputs are provided for wired headphones.

Highlights

  • Android 12 with octa-core SD665 processor for smooth streaming
  • 4 DAC chips, 28 tantalum capacitors and Class A amp deliver true Hi-Fi sound
  • Dual 3.5 mm single-ended and 4.4 mm balanced headphone outputs
  • 4500 mAh battery and 4.7 inch HD LCD screen for long listening sessions
  • Bluetooth 5.0 with LDAC, aptX HD, UAT and WiFi 4 for wireless freedom

Specifications

ColorGreen

Questions about this item

Should I pick the 32 GB model or wait for a larger internal capacity?

The player ships with 32 GB of built-in storage and accepts microSD cards up to 2 TB, so you can expand later without needing a higher-capacity version.

What does the 4500 mAh battery deliver in daily use?

The 4500 mAh cell powers the 4.7-inch screen, SD665 processor and dual DAC circuitry for extended listening sessions between charges.

How does WiFi 4 and Bluetooth 5.0 limit streaming quality?

WiFi 4 (2.4 GHz and 5 GHz) handles app downloads and DLNA or AirPlay streaming, while Bluetooth 5.0 supports LDAC, aptX HD, UAT and other HD codecs for wireless Hi-Res audio.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.