Universal Sport Mp3 Player Portable Music Running. Features: This Product Has a Card Slot and Supports TF Card / Micro SD Card, Up to 8GB. It is Able to Upload Music, Allow You to Listen to Your Favorite Music Without the Phone During a Workout or Other Activity; Easy to Connect to Any Bluetooth Devices/phone,Listen to Songs,answer Calls,voice Control; For Use in Salt & Fresh Water Up to 2-meters Deep, Sweat Resistant, Dust Proof Design Endures Through the Toughest Training Conditions; Ergonomically Designed for a Secure Fit and Long-lasting Comfort, Ambient Noise Function So You Aren't Isolated from the World Around You, Up to 12-hours Playback; Small and Portable, Easy to Carry and Store  Specifications: External Memory: Yes Audio Format Support: MP3, WMA, OGG, ASF Balanced Out: Other Battery Specification: Polymer Battery Bluetooth: No Battery Life: < 10 Hours Model Number: DZ0300 WIFI: No Style: Other Operation Mode: Touch Tone Body Material: Other Supports FM: Yes Supports Recording Function: No Signal Noise Ratio: 89dB Storage Type: Flash Memory Supports EBook Reading: No USB Interface: Hi-Speed USB 2.0; Can Charge and Transfer Files to MP3 Headphones Charging Time: About 2-3h Type: Sport Type Rear-mounted Card Mp3 Earphone Support System: Windows98/2000/XP Supporting Documents: MP3, WMA,FM Radio USB Interface: Hi-Speed USB 2.0; Can Charge and Transfer Files to MP3 Headphones Memory Capacity: No Memory, Plug-in Type, Maximum Support 8GB, Adapt TF Card / Micro Sd Card Charging Power Supply: Computer USB Port DC 5V; DC 5C (500mA) Travel Charger; DC 5V (500mA) Car Charger Battery: DC 3.7V; Rechargeable Lithium Ion Polymer Battery Continuous Working Time: About 4 Hours; (varies Depending on Usage) Charging Time: About 2-3 Hours; (differs Depending on the Use of Charging Equipment); Charging Time Should Not Exceed 3 Hours Frequency Response: 2.402GHZ~2.480GHZ Signal to Noise Ratio: >85db Working Environment Temperature: 0 ° C -45 ° C Packing Content: 1 X Sport Headphone MP3 Music Player (Choose the Color You Like) 1 X USB Cable Note: This Product Has a Card Slot ( The Memory Card is Not Included in the Sale. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.