Frequency Response: 20 Hz – 20 KHz Impedance: 16 ohms Sensitivity: 105 dB/Mw, 1KHz Cable length: 115 cm Noise Isolation: 24 dB Connector: 1/8 in (3.5 mm) Product weight: 12 g Warranty: 2-year limited hardware warranty Colors: Purple, Grey, Red, Green or Blue Package Contents: Earphones 4 pairs of ear cushions (XXS, XS, S, M) [...]

Wireless: Connection: 2.4 GHz RF Range: up to 40 feet (12 meters)* Audio stream: 48 kHz System Requirements: Works with Windows® and Mac OS® USB port Battery: Battery life: up to 6 hours** Charging connection: full-speed USB Charge time: 2.5 hours or less (longer when in use) Warranty: 2-year limited hardware warranty Package Contents: Headset [...]

Input Impedance: 32 ohm nominal Sensitivity: 94 dB SPL Ref: 1 mW (-18.2 dBV = 1m W), 1 kHz Frequency Response: 40 Hz–18 kHz (-10 dB) Connector: 3.5mm/ USB Ear Coupling: Circumaural Microphone Specification: Microphone Frequency Response: 100Hz-10KHz Microphone Impedance: ~2.2K ohm Microphone Sensitivity: -44 dBV/Pa re: 0 dB = 1 Pa, 1 kHz Features: [...]

Dimensions (W × H × D): 29.5x 13.2 x 50 mm Carrier frequency: 2.4 ~ 2.480GHz Bluetooth performance: Bluetooth v2.1 compliant Wolfson Audio Plus 3D technology Frequency spread: FHSS (Frequency Hopping Spread Spectrum Systems) Supported profiles: A2DP (Advanced Audio Distribution Profile) AVRCP (Audio Video Remote Control Profile) HFP (Hands Free Profile) Ver1.5 HSP (Headset Profile) [...]