TWS Earbuds Wireless Earphone Bluetooth

Brand Name: PunnkFunnk MODEL NAME: BE900 Chipset :JL6936D Bluetooth Version :V5.0 Working Frequency:2.4G Frequencey Range: 2.4G ~ 2.48GHz Profiles:A2DP v1.3/AVRCP v1.6/HFP v1.7/HSP v1.2/ SPPv1.2/PBAP v1.0 RF Power level: 4dBM/Class II Operating Distance (Barrier-free open space):10±2m Standby Time:100 hrs Music playing Time: 4 hrs Pairing name: PunnkFunnk-BE900 power off current: 1.1 uA Standy current: 0.1-0.5 mA Working Current: 8-10 mA Charging Current: 40mA Fully Charged Current: 9mA Indicator light Red and green lights Charging Jack: Touch spot Charging for earbuds, USB Jack charging for Charging Box Charging Voltage: DC 5±0.25V Fully Charged Voltage: 3.9～4.2V Speaker Size: φ6.0±0.05mm Max Input Power: 5mW Rated Impedance: 16Ω ± 15% Frequency Response Range: 20Hz~20KHz Total Harmonic Distortion: Less than 5% at 1000Hz,1mW Mic Sensitivity: -42±3dB Frequency Response : 100Hz~10KHz SNR(Signal to Noise Ratio): 57dB Degree of distortion: 0.50% Battery for earbuds: Type: lithium ion polymer battery Capacity : 40±5mAh charging time: 1.5h Battery for Charging Box Type : lithium ion polymer battery Capacity: 3.7 V 300mAh charging time for earbuds: 2-3 times