Item: BT-R4 Mini Mono Bluetooth headset

• 1. Collar Clip design
  2. Big place for logo imprint
  3. Multipoint function(Can pair 2 mobile phone at the same time)
• Mono Bluetooth Headset
  Support Far way and incoming call vibration
  Version:  V3.0+EDR
  Mode:     Hands Free/Headset
  Frequency:2.4GHz
  Range:    10M
  Power:    AC Input 110-240V, DC Output 5V
  Talking Time: 3H about
  Standby Time: 75H about
  Dimmension: 35*18*9mm
  Product Weight: 3g about 
• Color: black,blue,coffee
• Accessory: USB Cable, Earhook, instruction manual