Weight
Approx. 37g
Water Resistance
IPX5/IPX8 (IEC 60529) or equivalent with swimming earbuds attached
Battery Life
Approx. 8 hours (WALKMAN Mode)Approx. 4 hours (Headphones Mode)
Memory (Available capacity may vary)
4GB
Microphone
Monaural
Operating Temperature
5 'C to 35 'C (41 'F to 95 'F)
Recharge Time
Approx. 1.5 hoursQuick charge: 3 minutes charge enables up to 60 minutes playback
Power Source
Built-in Rechargeable lithium-ion BatteryUSB power (from a computer via a USB Cradle of the player)
Output (headphones)
Frequency response20 to 20,000 Hz
Bluetooth
・Communication system: Bluetooth specification version 4.0・Output: Bluetooth specification Power Class 2・Maximum communication range: Line of sight approx. 10 meters (30 feet)・Frequency band: 2.4 GHz band (2.4000 GHz - 2.4835 GHz)・Compatible Bluetooth profiles・Supported CodeC: SBC / AAC / aptX
Dynamic Normalizer
Yes
Clear Bass
Yes
Number of Songs
MP3 128kbps: 3900 / Linear PCM 1411 kbps: 350
Clear Phase
Yes
Maximum Recording Time
MP3 128kbps: 260hr 00min / Linear PCM 1411 kbps: 23hr 20min
Band equalizer
Yes
Linear-PCM Audio
Yes
MP3 Audio
Yes
WMA Audio
Yes
AAC Audio
Yes