سماعات راس تون توضع فوق الاذن، من جيه بي ال، موديل 770NC – لون ارجواني، لاسلكي

Your Music, Noise Free.
When your music is on, nothing else matters. The JBL Tune 770NC Adaptive Noise Cancelling wireless headphones deliver on that promise all day and longer, while sparing you the unwanted noises. With up to 70 hours of battery life, you’ll easily get through a busy week of using them and still have enough JBL Pure Bass Sound to get you through the weekend. And if you do need a quick recharge, 5 minutes gets you an extra 3 hours of music. Lightweight, and flat-folding, the JBL Tune 770NC can also connect with two Bluetooth® devices simultaneously, so you’ll never miss a call while watching a movie on your tablet. With the free JBL Headphones app, you can tailor the sound to suit your taste. And voice prompts in your language will guide you through the features. Manage your calls and your voice assistant hassle-free right from your phone and use VoiceAware to hear yourself when you’re speaking. Just choose the color that best suits your vibe, and start having fun.

Technical Specifications
• Power supply: 5 V 1 A
• Frequency response: 20 Hz – 20 kHz
• Impedance: 32 ohm
• Sensitivity: 100 dB SPL@1 kHz
• Maximum SPL: 94 dB
• Microphone sensitivity: -40 dBV/Pa@1 kHz
• Maximum operation temperature: 45 °C
• Bluetooth Transmitter Modulation: GFSK, π/4-DQPSK, 8DPSK
• Bluetooth Version: 5.3
• Bluetooth Profile Version: A2DP v1.4, AVRCP v1.6.2, HFP v1.8
• Bluetooth Transmitter Frequency Range: 2.4 GHz – 2.4835 GHz
• Bluetooth Transmitter Power: <10 dBm (E.I.R.P)
• Driver Size: 40 mm/ 1.57” Dynamic Driver
• Weight: 232 g/ 0.51 lbs
• Battery Type: Lithium-Ion Battery (690 mAh/ 3.7V)
• Charging Time: 2 hours
• Music Playtime with BT on and ANC off: Up to 70 hrs
• Music playtime with BT on and ANC on: Up to 44 hrs
• Music playtime with BT off and ANC on: Up to 30 hrs
• Talk time with ANC on: Up to 30 hrs
• Talk time with ANC off: Up to 39 hrs

JBL by Harman
For over 75 years, JBL has engineered the most precise, impressive sound found in big venues around the world. Harman's mission and vision is to make life more connected, entertaining, personalized and productive. The company combines passion and purpose to design smart products systems, software and services to connect people wherever they are.
[Adaptive Noise Cancelling with Smart Ambient] - Adaptive Noise Cancelling means zero distractions when it’s time to focus on your studies—or get your groove on. And if you want to hear the world around you without removing your headphones, Ambient Aware and TalkThru sharpen the sounds of your surroundings or voices. Easily activate these Ambient Sound Control modes through the JBL Headphones app.
[Bluetooth 5.3 with LE Audio] - Wirelessly stream high-quality JBL Pure Bass Sound from your smartphone with the help of the latest Bluetooth technology. Optimize the Bluetooth performance with the Smart Audio & Video feature in the JBL Headphones app by selecting the Audio (for the best sound quality) or the Video (for an optimal gaming and video output) modes.
[JBL Pure Bass Sound] - JBL Tune 770NC headphones feature renowned JBL Pure Bass sound—the same that powers the most famous music venues all around the world.