Used Once 🔧 Specifications Bluetooth Version: Bluetooth 4.0 with CSR chipset Battery Life: Approximately 12 hours of playback; charges fully in under 2 hours Charging Port: Micro-USB Audio Input: 3.5mm auxiliary jack for wired connection Microphone: Built-in for hands-free calls Controls: Physical buttons for power, volume, playback, and call management Weight: 6.1 ounces (173 grams) Dimensions: 6.5 x 1 x 8 inches Included Accessories: Hard-shell carrying case, USB charging cable, Constructed with a matte black finish, the BTH3 headphones offer a professional appearance. The ear cups are padded with firm leather, providing comfort for extended listening sessions. The adjustable headband and rotating ear cups enhance portability.