JBL Tune Buds 2 หูฟังไร้สาย true wireless earbuds Adaptive Noise Cancelling รับประกันศูนย์ไทย

Specs General Specifications Driver size 10 mm / 0.39" Dynamic Driver Earbuds resistance factor IP54 Audio Specifications Power supply 5V 1A Frequency response 20 Hz - 20 kHz Maximum operation temperature 45 ‹C Impedance 16 ohm Sensitivity 100 dB SPL@1 kHz Maximum SPL 95 dB Microphone sensitivity -38 dBV/Pa@1 kHz Dimensions Earbud 5.5 g per pc (11 g combined) /0.012 lbs per pc (0.024 lbs combined) Charging case 40.6 g / 0.09 lbs Earbud dimensions (l x w x d) 22.9*15.6*19.7 mm Charging case dimensions (l x w x d) 62.6*29.8*48 mm Control and Connection Specifications 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 ≤ 12 dBm (EIRP) Bluetooth transmitter modulation GFSK, π/4-DQPSK, 8DPSK Battery Earbud battery type Lithium-ion battery (68mAh / 3.85V) Charging case battery type Lithium-ion battery (630mAh / 3.8V) Charging time 2 hrs from empty Music playtime with BT on and ANC off Up to 12 hrs Music playtime with BT on and ANC on Up to 10 hrs Talk time with ANC off Up to 6 hrs Talk time with ANC on Up to 5 hrs