Headset Bluetooth LED JBL C270 TWS Original Wireless Earphone C270TWS.

1 Model Number:C230/C270 TWS Bluetooth version: 5.0. 2 Transducer: 2 x 5.8 mm. 3 Frequency response: 5Hz – 22 kHz (-6dB). 4 Signal-to-noise ratio: >80dB. 5 Earphone Battery type: 60 mAh Lithium-ion polymer. 6 Charge Box Battery type: 350 mAh Lithium-ion polymer. 7 Charge Box Battery charge time: 2hour @ 5V, 0.5A. 8 Music playing time: up to 3 hours (varies by Volume level and audio content). 9 Playing Time For Charge Box:12 hours. 10 Weight: 5.8g x 2.