HEARKEEN are versatile ABS and silicone headphones, perfect for those everyday moments in life. Bluetooth 5.0 transmission increases the practicality of this headset, with a wireless range of up to 10 m. They have a frequency of 20Hz-20kHz and 5mW (16Ω) of power. Features include a button to answer calls, volume control, and connection to the playlist of a mobile device. The battery capacity is 90mAh, and the autonomy in use is up to 8h, and the standby time is up to 6 days. These headphones can also be personalized with custom engraving or branding. Includes cable. Supplied in a gift box. Earphones (each): 33 x 16 x 24 mm | Neck band length: 455 mm | Box: 201 x 220 x 40 mm