● Bluetooth: 4.0
● Sound level/Sensitivity:40 dBV/Pa
● Speak: 1 mm dynamic speaker
● Charging time: Approximately 2 hours
● Wireless range : Up to 98 feet / 30 meters
● Bluetooth pairing list Up to 8 devices
● Talk time: Up to 6 hours
● Standby time: Up to 8 days
● Bluetooth compliance: Bluetooth 4.0
● Wireless range: Up to 98 feet / 30 metres
● Bluetooth pairing list: Up to 8 devices
● Signal/Noise:Microphone type: 2 x omni-directional MEMS
● Frequency:Microphone frequency range: 100Hz to 8kHz,Speaker frequency range: 200Hz to 8kHz