ArrayTag:,ZMI PurPods , True Wireless Earbuds , In-ear TWS , Noise Reduction Bluetooth Headphones,10 Hours Long Standby Time, 1: Coaxial crossover double moving coil, dual microphone call noise reduction 2: The headset lasts for 10 hours, EQSMART adaptive technology 3: IPX4 waterproof, rich sound effects, more comfortable to wear Specifications: Brand:ZMI Product number:TW101ZM Charging port:USB-C Sound unit:9mm double moving coil Headphone battery energy (single):48mAh 3.7V 0.17Wh. Charging box battery energy:490mAh 3.7V 1.81Wh Wireless connections:Bluetooth 5.2 Working distance:10m (open and barrier-free environment) Bluetooth protocol:BLE/HSP/HFP/A2DP/AVRCP Support decoding :SBC/AAC Operating temperature:5 C~40 C Executive standard:Q/JSZM0018