... batteries)12. Transmitter: 3V(2*1.5V AAA batteries)Package:1. Color package2. Per carton: 20 pcs3. N.W: 7.4 KG4. G.W: 8.4 ... can provide other style bluetooth headphone headset, in-ear style, ear-hook style, headbrand ... Battery, Charger, Earphone, Bluetooth handset, protector case, Memory card, USB cable, speaker, MP3, Unlock and so ... thank you! KST-984 4 in 1 cheap Wireless Headphone/ wireless headset