Features:
Wireless
Headphone with Speaker
Bluetooth Version: 5.0

Specifications:

Power Consumption: ≤1W
Working Voltage: DC 3.7V
Charge Voltage: DC5V/400mA
Impedance: 32Ω
Frequency Range: 20Hz-20Khz
Sensitivity: 90db
Charging Time: 2-3hrs
Play Time: (8-10hrs)
BT Wireless Version: 5.0
Audio Format: MP3/WAV
Microphone Sensitivity: -32db
Bluetooth Range: 10-15m without blocking
TF Card: Up to 32G
Output Power: 3wW*2

Box Including:

Wireless Headphone
Water -Proof Bag
Charging Cable
Aux-in Cable