Plantronics Discovery 640 Bluetooth headset specs

General

• Product Type Headset - Bluetooth
• Weight 0.4 oz
• Recommended Use Cellular phone
• Additional Features Volume control,
  Mute button

Headphones

• Headphones Type Headphone - Monaural
• Headphones Form Factor Ear-bud
• Connectivity Technology Wireless - Bluetooth

Microphone

• Type Built-in
• Microphone Operation Mode Omni-directional

Power

• Battery Standard battery - AAA type
• Run Time (Up To) 5 hour(s)

Manufacturer Warranty

• Service & Support 2 years warranty
• Service & Support Details Limited warranty - 2 years