| Specifications: Wireless Standard: Bluetooth V1.2 Bluetooth Profile: Headset: A2DP, HSP, HFP Transmitter: A2DP Frequency Range: 2402MHz - 2480MHz Distance: 10 Meters (Indoor) 20 Meters (outdoor) Power Supply: Headset: Lithium Ionen Battery Transmitter: Lithium Ionen Battery Buttons: On/Off, Volume, phone Button LED Indicator Yes Builtd for: PC and Notebook TV MP3 Player Handy and PDA Handheld PC- and Video Gaming | 
