Precision design meets advanced headset technology / Up to 8 mutli-pairing devices / Location buzzer / Noise reduction / Weighs less than an ounce # The Cardo S-800 is one of the most feature-rich and advanced headsets available on the market. Its ultra-small size and iconic shape incorporate sophisticated technology, designed for extensive wear and use. The headset fits equally well when worn in-the-ear or when used with the stylish over-the-ear loop. Package Contents: Ear-loop, lanyard, Universal travel Charger 110/240V 50 / 60 Hz and Quick-Start Guide # Talk time: up to 8 hours # Standby time: one week # Rechargeable Lithium-Polymer Battery # Charging time: approximately 2 hours # Volume up and down: 8 levels, 20 dB range # Mini-USB charging jack: allows charging from wall outlet or PC/Laptop (USB charging cable included) # High end speaker for superior Audio performance # Noise reduction technology # Speaker booster # Superior acoustic technologies # Voice dial supported # Handsfree and Headset Profiles supported # Last-number redial # Call waiting # Conference call # Call reject # Hot Dialing (store 3 Speed-dial numbers) # Large control button # Call back button (calls back last incoming caller) # Missed call indicator # SWAP Technology: Toggle between two active phones # Headset location Buzzer # Battery Status indicator # Turn LED on & off # Volume wheel adjustable for right or left ear wear # Digital button lock # Auto answer option # Certificates: CE, IC, FCC, Bluetooth # Weight: 10.9 grams / 0.38 ounces