This Star Wars Darth Vader Earloomz Bluetooth Headset comes with 2 earhooks, 4 earbuds, warranty card, user manual, USB charging cable, and lanyard necklace. Bluetooth Version v2.+1 EDR. Compatible with headset and hands free profiles. Rechargeable lithium polymer battery, video game compatible. Voice prompt, can connect to two cell phones with noise reduction. Weighs about 10 grams. The headset has a talk time of 5 hours with standby time of 120 hours. Measures 2-inches tall x 3/4-inches wide x 1/3-inches long.