The HD 350BT also feature an impressive 30-hour battery life that can be rapidly recharged via USB-C. It features a Voice Assistant button for instant Siri and Google Assistant interaction, intuitive physical controls for every day ease of use and a robust folding design for take-anywhere durability.
|Frequency response (Microphone)||80 Hz to 6,000 Hz (-3 dB)|
|THD, total harmonic distortion||< 0.3 % (1 kHz, 100 dB)|
|Transducer principle||Dynamic, closed|
|Pick-up pattern||Dual Beamforming|
|Transducer principle (Microphone)||MEMS|
|Frequency response||18 Hz to 22,000 Hz (-10 dB)|
|Modulation scheme||GFSK, π/4 DQPSK, 8DPSK|
|Battery Specification||Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 300mAh|
|Charging Current||320 mA max.|
|App support||EQ and updates via Sennheiser Smart Control|
|Audio codec||SBC, AAC, AptX™, AptX™ Low Latency|
|Supported Profiles||HSP, HFP, AVRCP, A2DP|
|Charging time||Approx. 2 hours|
|Charging voltage||5 V, DC|
|Ear coupling||Around Ear|
|Operating time||30 hours music playback via Bluetooth|
|Sound pressure level (SPL)||108 dB (1 kHz/0 dBFS)|
|Transmission frequency||2,402 MHz to 2,480 MHz|
|Weight||Approx. 238 g|
Well prized headset
Looks like new
I got these for the gym and ended up using them to replace my daily AirPods.
Sound is excellent for price paid, only gripe really is that the ear pads are just too small, hence the 4 stars.
HD 350BT Refurbished
These should not be marketed as over the ear, the earcups are way to short for that and the arms are just to short. Overall quality these are good. Connects to my android with no hassle, have had no connection issues so far. Biggest issue is the wannabe over-the-ear cups which are more on ear than anything.
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