Audio

• Driver Unit : 9 mm dome type
• Volume Control : Yes
• Noise Level : ON/OFF switch on ear-cup
• Frequency Response : Effective Range: 20 - 20,000 Hz (44.1 kHz sampling)

General

• Type of Use : Portable and Home
• Design : In-the-ear
• Headband : No
• Plug : Micro-USB (for charging)

Hardware

• Headphone Type : Closed type, dynamic
• Microphone : Omni directional, electret condenser (100 - 4 kHz frequency range
  -40 dB (0 dB = 1 V/Pa)
• Cord : Micro-USB cable approx. 1.64 feet (50 cm)
• Remote Control : Via AVRCP: Play, Stop, Pause, FF, FR

Power

• Battery Type : Built-in Lithium ion rechargeable battery
• Power Source : DC 3.7 V Built-in Lithium-Ion rechargeable battery
• Battery Life (Approx) : Up to 8.5 hours continuous music playback (approx.); Up to 8 hours continuous communication time (approx.); Up to 250 hours standby time (approx.)
• Battery Indicator : LED (Red/Blue)
• Battery Charging (Approx) : Appox. 2.5 hours from empty to full
  Battery Charging-Red LED
  Battery In Use-Blue LED

Speaker

• Sound Enhancer : SBC and AAC codec support

Weights and Measurements

• Weight (Approx.) : Approx. 0.74 oz. (21 g) - included rechargeable battery

Wireless/Networking

• Bluetooth® Technology : Bluetooth specification Version 3.0
  2.4 GHz band (2.4000 GHz-2.4835 GHz
  FHSS
• Network Transport Protocol : A2DP (Sampling frequency 44.1 kHz)
  Transmission Range: 20-20,000 Hz
  Line of sight approx.30 ft (10 m)
• Security : SCMS-T
• NFC : One-touch Listening with NFC (Near Field Communications)