Wireless Bluetooth Earphones for BLU Tank Xtreme 5.0, BLU Energy X Plus 2, BLU Studio Max, BLU Studio G2 HD, BLU Life Max Earphones Original Like Wireless Bluetooth Neckband Flexible In-Ear Headphones Headset With Built-in Mic, Extra Deep Bass Hands-Free Call/Music, Sports Earbuds, Sweatproof (15 Hours Playtime, TTN1, Multi)