Features:
High durability housing with clamps makes it easier to carry.
Along with waterproof headphones and four soft silicone ear pads.
Built-in rechargeable lithium battery can work for 8 hours after full charge.
Comply with international IPX8 waterproof standard.

Specifications:
Product Name: Waterproof MP3 player
Waterproof class: IPX8
Maximum underwater depth: 10 m /32.8 ft
Storage capacity: 4GB/8GB Optional
Supported media files: MP3/WMA/WAV
FM Frequency modulation: 87MHz to 108MHz
Power supply: Built-in lithium battery
Charging time: about 2 hours
Running time: About 8 hours
Item Weight: 19g / 0.7oz
Color: Black/White/Blue optional
Product material: ABS+PVC
Item size: 6.5*2.8*1.2cm/2.6*1.1*0.47 inches
Package size: 12.7*11.5*4cm/5*4.5*6.5 inches

The package includes:
1*MP3 player
1* waterproof earphone
4* silicone earplugs
1*USB data cable
1* cleaning cloth
1* User manual

Instructions for use:
How do I switch from playing music to FM radio?
Press the ON/OFF button once while the player is playing music to pause the play,
Then press "+" once to enter FM mode.
How do I switch from an FM radio to playing music?
When the player is in FM mode, press the ON/OFF button once to pause the FM broadcast.
Then press "+" once to play music.
How do I adjust the volume of an FM radio?
Please set the volume in play mode. You cannot adjust the volume when switching to FM broadcast.