Hongyu Bluetooth 32GB MP3 Player, Sports MP3 Headphones IP67 Wireless Wearable Music Player Built-in Memory Sweatproof HiFi Stereo MP3 Player for Running Gym Jogging Hinking, HY-MP3 Player-S10-32G

Note: 1:experts do not recommend swimming, especially when diving. When you take a break on the shore, there is no problem at all. (Please avoid using these headphones when swimming in the river or sea.) 2.The headset does not support for Macbook and for other Apple devices to download music. Please use the OTG adapter for mobile phone download. Windows computer supports downloading music. Please must turn on the headset first, and then connect it to a computerlaptop to download or delete songs, otherwise it can not read memory. The operation method is the same as a U disk . MP3 MODE: 1. Long press the power button, then press the Bluetooth mode button to switch to MP3 player mode. 2. Press '+-' button to adjust volume; 4. PickHang up phone if the phone is in range; 5. Free switch songs. BLUETOOTH MODE: 1. Support some music formats; 2. Free switch songs; 3. Support playpause; 4. Providing Hi-Fi sound; 5. Long press the power button to turn on the Bluetooth mode; 6. Switch songs on your phone or tablet; (Please read the instructions carefully before using them.) Specification: (1) Color: black (2)Capacity: 32GB (3) Wireless version: V5.0 (4) Waterproof: IP6 7 (5) Frequency distance: 10 (32.8 feet) (6) Frequency range: 20 Hz - 20000 Hz (7) Time consuming: about 6-7 hours (8) Standby time: about 80 hours (9) Charging time: about 2 hours (10) Time consuming: about 8 hours (11) Battery capacity: 160 mAh Package includes: MP3 Player headphones x 1 USB cable x 1 Use manual x 1