Sony DR-BT22 Wireless Headset specs

General

• Product Type - Bluetooth 2.0
• Weight 2.8 oz
• Recommended Use Cellular phone
• Additional Features Answer/end button

Headphones

• Headphones Type Headphones - Binaural
• Headphones Form Factor Semi-open
• Headphones Technology Dynamic
• Connectivity Technology Wireless - Bluetooth 2.0
• Bluetooth Profiles Advanced Audio Distribution Profile (A2DP),
  Audio/Video Remote Control Profile (AVRCP),
  Hands Free Profile (HFP),
  Headset Profile (HSP)
• Sound Output Mode Stereo
• Response Bandwidth 14 - 24000 Hz
• Diaphragm 1.2 in

Microphone

• Type Built-in
• Microphone Operation Mode Mono

Remote Control

• Type None

Wireless Link

• Radio Frequency Range 2.4 - 2.4835GHz

Power

• Power Device Power adapter - External
• Battery Headset battery - Rechargeable
• Run Time (Up To) 11 hour(s)
• Standby Time 100 hour(s)