Features: 1) Standard: Bluetooth 1.2 specification 2) Color: silver grey with crystal zircon 3) Range: up to 30 feet (10 meters) 4) Audio code: single audio 5) Frequency: 2.4GHz ism band 6) Bluetooth profiles supported: handsfree 1.0, headset 1.1 7) Transmitter power: class 2 8) Connection: point to point 9) Weight: 18g 10) Figure sizes (L x W x H): 71mm x 20mm x 20mm 11) Talk time: 6 - 8h 12) Standby time: up to 200h 13) Output power: 450mah 14) Security: encrypt link 15) Power consumption: 30mah (working), 1mah (standby) 16) Battery: 180mah lithium-polymer battery, inserted