Features:
1. Bone Conduction Open-Ear Headphones
2. IPX8 Swimming Headset Sports Waterproof
3. Built-in 32GB Memory MP3 Music Player
4. Bluetooth 5.0 Earphone Wide Compatible with your iOS and Android Bluetooth-ready devices, like smartphones, tablets, Mac and PC computers and laptops.
5. 6-8 hours of continuous music, podcasts and calls on a single charge
6. Perfect for swimming, surfriding, skiing, diving, running, mountaineering, cycling, etc.
7. Magnetic Connection + Multiple Protection

Specifications:
Y9 swimming music headphones
Color: black, blue, red
Function: IPX8 Waterproof built-in 32GB memory
Bluetooth version: V5.0
Bluetooth protocol: HSP, HFP, A2DP, AVRCP
Audio format: MP3\WMA\WAV\APE\FLAC for local playback
Music time: about 6-8 hours
Talk time: about 7-9 hours
Supported devices: Huawei, Apple, Xiaomi, OPPO, VIVO, Samsung, tablet, TV and other Bluetooth devices

Simple Operation:
Indicator light
Multi-function key 
On/Off 
Call mode: answer/hang up, long press for 2 seconds to reject
Music mode: play/pause 
Press'-' to decrease the volume
Press and hold for 2 seconds to go to the previous song
Press + to increase the volume
Long press + 2 seconds, next song
MP3/Bluetooth mode switch
Chinese/English audio prompt switch
For details, please refer to the manual.

Package Included:
1*earphone
1*charging cable
1*manual 

Notes:
Due to the difference between different monitors, the pictures may not reflect the actual color of the item.
Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.