The Brainwavz HM5 (~100$) is a more premium re-brand of the same headphone.
The Lindy HF100 (~100€) is the go to option for the European market.
Impedance: 64 Ohm
Sensitivity: 105dB/mW
Amplifier requirement: No
Detachable Cable: Yes
Power Required: 3,16 Milliwatts
Voltage Required: 0,4499 Volts
Current Required: 7,03 milliamps
(YOGA just changes the colors and puts different brandings on the earcups; they also add better pads on the HM5 version)