F9 Tws BT5.0 True Wireless Headphones Headset Earbuds Lcd Digital Electric Quantity Waterproof Noise Reduction Wireless Earphone
- Product model:F9Bluetooth version: V5.0Support Agreement: Supports HFP 1.7HSP1.2, A2DP 1AVRC1.65SPP 1.2 and PBAP1.0Chip solution: BT8812AWorking distance: 10mTalk time: 4-5H (full power single use)Music playback time: 4-5H (full charge single use)Frequency range: 2402MHz~2480MHzBattery type: 3.7V, >50mAh Lithium-ion polymer batteryHeadphone charging time: 1-2HWorking temperature: -10 °C-55~C
