The HD 250BT deliver a thrilling DJ-inspired audio experience, with Sennheiser’s famed transducer technology ensuring higher quality audio with dynamic bass. Thanks to a 25-hour battery life, advanced wireless technology and rugged design they can keep pace with the busiest lifestyles for a remarkable listening experience anytime and anywhere.

• Brand: SENNHEISER
• Model: HD 250BT
• Wearing style: Headband
• Transducer principle (Microphone): ECM
• Sound pressure level (SPL): 110 dB (1 kHz/0 dBFS)
• THD, total harmonic distortion: < 0.3 % (1 kHz, 100 dB SPL)
• Ear coupling: Supra-aural
• Pick-up pattern: Omni-directional microphone Single mic
• Operating time: 25 hrs (music playback via SBC) with headphones' rechargeable battery
• Power supply: built-in rechargeable lithium-polymer battery: 3.7 V ?, 190 mAh USB charging: 5 V ?, 100 mA max.
• Charging time: up to 3 hrs
• App support: Sennheiser Smart Control App for iOS™ and Android™
• Frequency response: 20 Hz to 22,000 Hz (-10 dB)
• Frequency response (Microphone): 100 Hz to 10,000 Hz
• Dimensions: 8.5 x 20 x 23.5 cms
• Weight: 285 Grams
• Warranty: 1 Year Manufacturer warranty
• Note: Color depends only on stock availability""