产品型号Model: RB-T11C 蓝牙版本Bluetooth: V4.0 支持档案Profile Support: HSP/HFP/A2DP/AVRCP 工作频段Frequency Response: 2.40 - 2.48 GHz 灵敏度 Sensitivity (SPL) : 92db 工作距离Operating distance: up to 10m (free space) 通话时间Talk/M