Inland 87091 USB Connector Supra-aural Pro Bluetooth Wireless Headset. Enjoy hands-free sound with the Inland ProHT Bluetooth Headset. This Bluetooth headset quickly pairs with devices and features a 45 to 60 minute charging interval.

Specifications:

Description: Inland pro Bluetooth headset
Part number: 87091
Transfer distance: 10M
Frequency: 2.4GHz ISM
Version: Bluetooth 2.1
Battery capacity: 370mA
Operation current: 20mA
Standby current: 0.5～0.6mA
Shutdown quiescent current: 0mA
Charging voltage: 5V
Charging current: 70mA
Charging interval: 45～60 minute
Charging saturation voltage: 3.6-4.2V
Low detect voltage: 3.3V
Low voltage alarm signal : the red led blinked every 15 second with warning tone
Shutdown voltage: 3.1V
Speaker Impedance: 32
Speaker Output Power: 300-400MW
Frequency Response: 20Hz--20KHz
Listening Time: up to 10 hours
Battery Life: After charging 300 times the capacity by 80%
Response Bandwidth: 2402MHz--2480MHz
Sensitivity:  54dB±2dbB
Signal-To-Noise Ratio: up to 80dB