Product Name:NE1s 
 
 Bluetooth chip: Realtek RTL8763BFR 
 
 Bluetooth version: 5.0 
 
 Bluetooth rating: CLASS 2 
 
 Bluetooth protocol: HSP, HFP, A2DP, AVRCP 
 
 Bluetooth transmission radius: 10 meters or more 
 
 Support decoding: AAC, SBC 
 
 Battery capacity: 65 mA * 2 (button battery) 
 
 Charging bin: 600 mAh 
 
  Wearing method: in-ear 
 
 Standby time: 100 hours 
 
 Music time: 4-5 hours (single) 
 
 Fill up time: 2 hours 
 
 Input: 5V = 600 mA 
 
 Output: 5V = 200 mA 
 
 Unit: 8mm dynamic drive 
 
 Acoustic diaphragm: graphene composite diaphragm 
 
 Frequency: 20-20000HZ 
 
 Decibel: 106dB 
 
 Resistance: 16 ohms 
 
 Waterproof rating: IPX7 
    
 
 NE1S true wireless HIFIL Bluetooth Earphone 
 
 One-click connection 
 
 Wireless charging 
 
 Seamless production, IPX7 waterproof 
 
 Red light induction 
 
 Smart touch 
 
 5.0 Bluetooth 
 
 Support multiple format decoding (AAC\SBC) 
    
 
 Ergonomics 
 
 Soothing and skin-friendly, safe and environmentally friendly 
 
 Liquid silicone skin-friendly material 
    
 
 8mm dynamic drive unit, 
 
 Frequency: 20-20000HZ 
 
 Full of low frequencies 
 
 Exquisite vocal emotions 
 
 Tri-band equalization distribution 
    
 
 Small as a bean 
 
 Rounded into the ear 
 
 Rotating the slide, 
 
 Connect at the touch, 
 
 Portable charging box 
    
 
 Stable life, no worries 
 
 Configure 600 mAh battery capacity, 
 
 Available for 5 extra charges, 
 
 Continuous use for up to 4 hours 
 
 With charging box for up to 20 hours 
 
 Support wireless charging / USB charging cable charging 
 
 Return policy:                                                                                                        
 
 1. In case that the product you received is an incorrect one, please take photos and contact us within15 days. We will send you a correct one. 
 please  
 return it to us 
 . 
 
 2. In case that you're not satisfied with the product while it is in good condition,please return it to us within 30 days, and buyer pays for the return shipping fees. Then We will either send you a new one or give your money back.  
 
 3. In case that the product you received were defective, please contact us within 15 days after you receive the order, we can either give your money back or send a replacement to you. 
 please return it to us. 
 
  
 4. Have a nice shopping ! Thanks!