Size: Approx. 57.9mm x 122.6mm x 14.8mm Weight: Approx. 164 g Battery: Built-in Rechargeable lithium-ion Battery Battery life: MP3 (128kbps) / Stereo mini-jack: 20 hours, MP3 (128kbps) / Balanced standard-jack: 19 hours, AAC (256kbps) / Stereo mini-jack: 20 hours, AAC (256kbps) / Balanced standard-jack: 19 hours, FLAC (192kHz / 24bit) / Stereo mini-jack: 16 hours, FLAC (192kHz / 24bit) / Balanced standard-jack: 15 hours, DSD (2.8224MHz / 1bit) / Stereo mini-jack: 10 hours, DSD (2.8224MHz / 1bit) / Balanced standard-jack: 9 hours Charging time: Approx. 6.5 hrs Memory Size: 64GB Display type: TFT colour display with white LED-backlight Display resolution: 3.6-inch (9.1 cm) ,HD (1280 x 720 Pixels) Audio playback: MP3 ( .MP3): 32 - 320kbps (supports VBR) / 32, 44.1, 48kHz , WMA ( .WMA): 32 - 192kbps (supports VBR) / 44.1kHz, FLAC ( .flac): 16, 24bit / 8-384kHz, WAV ( .WAV): 16, 24, 32bit (Float / Integer) / 8-384kHz, AAC ( .mp4, .m4a, .3gp): 16-320kbps / 8-48kHz, HE-AAC ( .mp4, .m4a, .3gp): 32-144kbps / 8-48kHz, Apple Lossless ( .mp4, .m4a): 16, 24bit / 8-384kHz, AIFF ( .aif, .aiff, .afc, .aifc): 16, 24, 32bit / 8-384kHz, DSD ( .dsf, .dff): 1bit / 2.8224, 5.6448, 11.2896 MHz, APE ( .ape): 8, 16, 24bit / 8-192kHz (Fast, Normal, High) , MQA ( .mqa.flac): Supported Frequency (Stereo mini-jack): 20-40,000 Hz Maximum Power Output (JEITA 16ohm/MW) (Stereo mini-jack): 50mW+50mW (High Gain) Headphone Out (Balanced standard-jack): 20-40,000 Hz Maximum Power Output (JEITA 16ohm/MW) (Balanced standard-jack): 200mW+200mW (High Gain) Operating System: Android 9.0 Terminals: Headphone: Stereo mini jack, Balanced standard-jack, External memory: Micro SD Micro SDHC Micro SDXC Wireless capabilities: Communication system: Bluetooth Specification Version 5.0, NFC: Yes, Supported Bluetooth profiles: Yes, Supported Codecs (Transmission): Yes, Supported Codecs (Reception): No