TWS SE-16S Bluetooth 5.0 earphones, touch controls. 500mAh charging base with screen. Green

SE-16S Bluetooth 5.0 TWS Earbuds: • TWS stereo mode. • Headphones with smart auto power. Automatic connection (once paired at first use). • Headphones with call and playback control functions. • Hands-free function. • Latest generation Bluetooth 5.0 with low consumption and long range. • Charging base with magnetic closure and display with charge level indicator. • Ergonomic design: provides great comfort to the ear during prolonged use. Soft silicone plugs in various sizes. • Acoustic box that provides a natural and clear sound reproduction. • Includes USB-C charging cable. Bluetooth chip: AB5376A (Zhongke Lanxun) Bluetooth protocol: HFP 1.7, HSP 1.2, A2DP 1.3, AVRCP 1.6, SPP 1.2 and PBAP 1.0 Transmission power: Class 2 (-6dbm- + 2dbm) Working Frequency Band 2.4G ISM Band (2.402-2.480GHZ) Charging voltage: 5V Operating voltage: 3.15-4.2V Open distance 10M Music playback usage time: up to 4H Talk use time: up to 3H Headphone battery: 3.7V, 2x 40mAh Charging base, battery: 3.7V 500mAh Headphone charging time about 1H Charging box charging time is about 1.5H Sensitivity: 108±3dB Impedance: 32Ω Frequency response: 20HZ ~ 20KHZ