Andoer Wireless Sport Headphones,SM828 IPX7 Waterproof Headphones Earphone Functions with Bluetooth 16GB MP3 Player In-ear Stereo Music Earbuds Dependable Performance Headset (Black/Blue/Green/Red)

Color:Black & BlueSpecifications: Model: SM828 BT Version: 5.0 Capacity: 16GB Color: Black, Black & Blue, Black & Red, Black & Green (Optional) Frequency Response: 20-20000Hz Sensitivity: 120±3dB Impedance: 32Ω Calling Time: 12H Music Playing Time: 12H Standby Time: 360H Charging Time: 2-3H Power Supply: 110 240V Charging Voltage: 5V Battery Capacity: 180mAh Package Size: 16 * 11 * 4cm / 6.3 * 4.33 * 1.57in Package Weight: 162.7g / 5.74oz Note: There are two kinds of ear gap in the package. Please wear waterfroof ear gap when swimming. Package List: 1 * Pair of SM828 Earphones 6 * Pairs of Ear Cap (One pair of ear caps are already on the earphones) 1 * USB Charging Cable 1 * User Manual (Chinese / English)