AOC ACH2521 (ACH2521BK)
 | Expecting restock Design: overhead, closed; full size Over-Ear; foldable; Connection type: combined; mini-Jack (3.5 mm); Bluetooth version: Bluetooth v5.4; Impedance (Ohm): 32; Frequency range (Hz): 20 – 20000; Speaker size (mm): 40; Volume control; Operating time (music) (h): 9; Charging port: USB-C; |
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built-in player, overhead, closed, combined, 3.5 mm, Bluetooth v5.0, foldable, 20 – 20000 Hz, 32 Ohm, battery: 200 mAh, up to 4 h
built-in player, overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.0, foldable, 20 – 20000 Hz, 32 Ohm, battery: 400 mAh, up to 8 h
overhead, closed, combined, 3.5 mm, Bluetooth v5.0, foldable, 20 – 20000 Hz, 32 Ohm, battery: 150 mAh, up to 6 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.1, foldable, 20 – 20000 Hz, 32 Ohm, battery: 350 mAh, up to 22 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, AAC, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, battery: 500 mAh, up to 55 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, voice assistant, foldable, 20 – 20000 Hz, 32 Ohm, battery: 490 mAh, up to 60 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, foldable, 20 – 20000 Hz, 32 Ohm, battery: 500 mAh, up to 55 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, voice assistant, foldable, 20 – 20000 Hz, 32 Ohm, battery: up to 60 h
overhead, closed, combined, 3.5 mm, Bluetooth v5.3, AAC, active noise cancellation, voice assistant, foldable, waterproof, 20 – 20000 Hz, 32 Ohm, battery: 500 mAh
overhead, closed, combined, 3.5 mm, Bluetooth v5.3, foldable, 20 – 20000 Hz, 32 Ohm, battery: 300 mAh, up to 30 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, battery: 500 mAh, up to 50 h
overhead, closed, combined, 3.5 mm, Bluetooth v6.0, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, battery: 300 mAh, up to 20 h
overhead, closed, combined, 3.5 mm, Bluetooth v5.4, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, battery: up to 65 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.0, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, battery: up to 40 h
overhead, closed, combined, 3.5 mm, Bluetooth v5.4, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, battery: 450 mAh, up to 30 h
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
