ONIKUMA T20 In Ear TWS Wireless Bluetooth Earphones V5.3 Hifi Shocking Sound Headphones With Mic Gaming Headset Wireless Rotating Flip-Top Design Earbuds HiFi Stereo In-Ear Touch Control Headphone

Smartifact. Model: T20. Chipset: JL6973. Bluetooth version: 5.3. Color: Grey White. Material: ABS. Supported protocols: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP. Decoding format: AAC SBC. Bluetooth transmission frequency: 2402-2480MHz. Bluetooth range: 10m. Charging compartment capacity: 300MAH. Headphone battery capacity: 30mAh. Charging box: can be charged 3 times. Headphone charging time: 1H. Box charging time: 1H. Working hours: 6 hours. Standby time: up to approximately 85 hours. Headphone driver unit: ¥ 8mm, 32. Frequency response range: 20-20KHZ. Charging port: TYPE-C. Audio delay: low delay 45MS