Bluetooth version: V4.1
Frequency range: 2.4GHz-2.48GHz
Pair up to 2 Bluetooth devices
Operating distance: Up to 10m (free space)
Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Standby time: Up to 3
months
Talk/music playtime: Approximately 4 -5hours
Charging time: Approximately 2 hours
Frequency response: 20Hz-20kHz
Operational temperature: -10 to 50°C