Samsung's smallest Bluetooth headset, the WEP500 has powerful features and an innovative design. Silver and glossy black, this headset is about the diameter of a US quarter. External dimensions are 30mm x 28mm x 8mm and it weighs in at a hardly noticeable 8.5g. The WEP500 is an in-ear type design and included is an assortment of rubber earpieces to help achieve a perfect fit. The WEP500 incorporates the latest Bluetooth technologies including advanced noise reduction technology and revolutionary echo cancellation performance. The WEP500 has talk times of up to 3.5 hrs and standby times of up to 80 hours. Package includes a Travel Charger, Headset Cradle, and User Manual. The Samsung WEP500 is compatible with Samsung and other non-Samsung Bluetooth enabled phones.