SOYO FreeStyler HS11 Kit is an ear-hook type wireless stereo headphone. It is a receiver to listen to the music, a microphone to chat on Skype, and also a hands-free headset to use with Bluetooth cell phones

Bluetooth

• Version: Bluetooth V1.2 compliant
• Power class: Class 2
• Profile Supported: A2DP (Advanced Audio Distribution Profile), AVRCP (Audio Video Remote Control Profile), HSP (Headset Profile), HFP (Hands-free Profile)
• Audio Codec: Sub-Band Codec
• Operating Range: Up to 10 meters

Ratio

• Frequency: 2402 - 2480Mhz
• Spread Spectrum: FHSS (79 channels) USA/EU
• Modulation Method: GFSK (Gaussian Frequency Shift Keying)
• Sensitivity: <0.1% BER @ -78 dBm
• RF Output Power: -3 dBm to 2 dBm

Audio

• THD (Total Harmonic Distortion): < 5%
• Sample Rate: 44.1KHz
• Noise Level: < -60 dBA
• Dynamic Range: < -58 dBA
• Frequency Response: 20Hz - 20Khz @ -3 dBA

Power

• Discoverable/Link: < 45mA
• Connect to Source: < 45mA
• Connect to Dongle: < 45mA
• Play: < 45mA
• Sensitivity: > Talking using headset: < 45mA
• Power Input: DC 5V/ 1A
• Built-in Battery: 3.7V Lithium-Polymer battery 300 mAh
• Ply Time: Up to 6 hours

Unit Dimension

• Headphone Dimension: 42.5 x 37.9 x 18.5mm; Transmitter Dimension: 40 x 40 x 15mm
• Headphone Weight: 37.5g; Transmitter Weight: 20g
• Color: White