A70 Bluetooth Headphones with Wired and Wireless Modes

Oneodio A70 Bluetooth headphones with dual 40 mm dynamic drivers and a frequency response of 20–20,000 Hz. Impedance about 32 Ω and sensitivity 105±3 dB. Wireless Bluetooth operation with AAC codec support, plus wired use via detachable cable; communication supports both wired and wireless modes. Features include volume control, onboard buttons and an integrated microphone. No active noise cancellation. Neodymium magnets and monitor/Hi‑Fi tuning for clear sound.