USAMS Bluetooth Headphones 5.3 TWS ID Series Blue ID25B

KeyFeatures. Model: ID25 Material: PC+ABS Weight: Approx 42g Charging case size: 30*50*55mm Connection Range: ≤10m Speaker Diameter: 13 mm Speaker sensitivity: 108 db ± 3 Snr:> 75 db Frequency Response: 20-20000hz Impedance: 32ω Bt version: 5.3 Headphones Battery Capacity: 30mAh Headphones Charging Time: About 1.5h Playing Time: 5h Call time: 3h Charging Case Battery Capacity: 230mAh Charging Time for Case: 1.5h Charging Case Input: 5v?1a Compatibility: For Phones/Tablets/Laptops With BT Function