Unbranded MECHEN M33 Portable Audio sku-18680269041

Unbranded MECHEN M33 Portable Audio player, sku-18680269041, UPC 746364316639, comes with a 128GB external memory card. Its DAC plays DSD (DSF/DFF), FLAC, APE, ALAC, MP3, and AAC files. Bluetooth 5.3 supports wireless audio, and the built-in 2000mAh battery is rated for up to 60 hours of playback.

Storage can expand to 512GB with a separately purchased TF card, although the listing title also states support for up to 1TB. The zinc-alloy housing resists scratches and wear. A 2.8-inch HD screen shows song categories and lyrics, and the player can be operated with one hand. It works with headphones, speakers, and car audio systems. A data cable and protective case are included.

Dimensions are 3.37*2.72*0.6 inches, and weight is about 167 grams. The listing states a 30 days unconditional return policy and a 1 year exchange service; email support says it will reply within 24 hours.