RADIOSWAP 12V BATTERY ELIMINATOR FOR TK3501, TK2000, TK3000. Never miss a call with your Radioswap Earpiece. This battery eliminator is compatible with TK3501, TK2000, TK3000. Radioswap Professional Two-Way Radio Earpieces are made from high quality, hard-wearing, durable and lightweight materials with wear resistant stress tested cabling to ensure a long life.
eBay