JBL Tune 770NC หูฟังบลูทูธแบบ Over Ear มาพร้อมระบบตัดเสียงรบกวนอัตโนมัติ

JBL Tune 770NC Features • Adaptive Noise Cancelling with Smart Ambient • Bluetooth 5.3 with LE Audio (*) • JBL Pure Bass Sound • Customize your listening experience • Hands-free calls with VoiceAware • Up to 70H* battery life with speed charge • Multi-Point connection • Lightweight, comfortable and foldable design [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 hrs 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 What’s in the box 1 x JBL Tune 770NC headphones 1 x USB-C Charging Cable 1 x Detachable audio cable 1 x Warranty/Warning 1 x QSG Size 20.5x22.3x5.5 cm. รับประกัน 1 ปี Color Black Blue White