SODO SD-1003 Bluetooth Wireless Headphone with Mic for All Android IOS and Laptop

Bluetooth Version: 5.0
Charging Time: 2 Hours
Transmission Range: 10m (32.8ft)
Connectors: 3.5mm Line In
Call Control: Yes
Volume Control: Yes
Built-In Microphone: Yes
Support Audio Format: MP3 WMAWAVFLACAPE
Support TF Card Volume: 128MB-32GB
Radio Frequency Range: Europe/Asia/Other 87.5-108Mhz
Japan 76-90MHz
Frequency Range: 20-18KHz
Magnet Type: Neodymium
Speaker Diameter: 40mm
Impedance: 32?
Maximum Power Input: 50mW
Sound Pressure: 108dB?3db
Music Playtime: 6-8Hrs