GOgroove BlueVIBE CPT Bluetooth In Ear Headset for Hands-free Calls with On-Board Microphone , Dual-Ear Configuration , Audio Playback and Earhook Type: Bluetooth Headset Ear Coupling: In the Ear Operating Range: 33 Feet Bluetooth Version: 3.0 Bluetooth Profile: A2DP, AVRCP, HSP, HFP Specifications: Speaker power: 20mW Driver diameter: 10mm Full-range Impedance: 32 Ohms Sensitivity: 117 +/- 6dB Frequency response: 5kHz Total harmonic distortion: Dimensions: Bluetooth Headset: 1.85 x 0.65 x 1.125 inches Weight: Headset: 0.019 pounds, Optional ear bud: 0.009 pounds |