Features: – 2-in-1 MP3 Player Headphones – Bluetooth Wireless Music Streaming – Submergible Waterproof Rated Construction – Quick Connect: Combination Charging & Data Transfer Cable – Easy ‘Drag & Drop’ Audio Music File Management – 8 GB Integrated Flash Memory – Built-in Rechargeable Battery – Universal Size for All Head Shapes – Made to Fit: Comfortable Form-Fitting Design – Flexible Wrap-Around Style Perfect for Sports – USB Port Connection – Simple Touch Button Controls – Includes Replacement Earbuds – Designed for Swimming Running Fitness Exercise What’s in the Box: – MP3 Player Headphones – USB Charge / Data Transfer Clip Cable – (2) Pair Water-Blocking Earbuds (In-Water Use) – (3) Pair Active Sport Earbuds (On-Land Use) Bluetooth Connectivity: – Built-in Bluetooth for Wireless Audio Streaming – Works with All of Your Favorite Devices – (iPhone, Android, Smartphones, iPad, Tablets, etc.) – Bluetooth Version: 4.2, A2DP – Bluetooth Network Name: ‘PyleUSA’ – Bluetooth Network Password: ‘0000’ (4 Zeroes) – Bluetooth Wireless Range: 30’+ Ft. Technical Specs: – Marine Grade IPX8 Waterproof Rating – Digital Audio File Support: MP3, WMA, APE, FLAC, WMV – File Format: FAT16, FAT32 – Battery Charge Time: 2 Hours – Battery Life: About 10 Hours – Lithium Battery: 200mAh – Speaker Type: NdFeB 9mm – Speaker Rated Power: 5mW – USB 2.0 High-Speed Data Transfer – Frequency Response: 20Hz – 20kHz – Signal Distortion: 70dB – Operating environment: 0?-40? – MP3 bite rate: 8Kbps ~ 320Kbps – Operating time: 10hours – Earphone output power: 5mW + 5mW – Standby time: 150 hours – Talking time: 8 hours – Playing music time: 10 hours (Playing time depends on different volume and songs) – Certification: BQB; CE; FCC; ROHS; Reach – Dimensions (L x W x H): 5.51’’ x 1.69’’ x 4.33’’ -inches