BC50B have 3.5 or 2.5 plug. With earphone pins like MMCX or Two Pin 0.78.

Leather Case for FiiO M5 (with two Elastic Loop Strap)

Weight: DJ44A (about 3.5g); DJ35A (about 2.5g)
Dimensions (LxWxT): DJ44A (about 16.5mm×13mm×8.5mm);
DJ35A (about 9mm×13mm×8.5mm）
-The dimensions exclude the plugs.
Material: Transparent shell (PC); Metal shell (Stainless steel); Plug (24k gold plated copper)

ACustomized HiFi Handbag for Audiophiles. Effectively protect your music devices.

Italy Napa Leather

Italy Waxed Leather

For FiiO Q5/Q5S

DD TC35 USB type-C to Jack 3.5 Cable Adapter For Android mobile phone Huawei Xiaomi oppo vivo SAMSUNG etc, 192kHz/32bit

For FiiO BTR3

Sony WMport jack to Micro USB decoder

FiiO Q1Ⅱ or Q5 USB to iPhone or iPad.

4.4M to 2.5 F Jack, balanced earphone cable Adapter.

Leather case specially designed for FiiO M6.

TypeC to TypeC USB DAC cable.

Double micro USB plug, OTG design.

Used for connect TypeC player to micro USB DAC device.