A1 TWS Bluetooth 5.0 earphones. 300mAh charging base with screen. Dark blue

A1 TWS Bluetooth 5.0 Earbuds: • TWS stereo mode: true stereo sound, without wires. • Ergonomic design, great comfort for the ear in prolonged use. Acoustic box with a natural and clear sound reproduction. • Call and playback control functions. Smart auto power on and auto connect (once paired at first use). • Hands-free function with microphone with ambient noise reduction. • Latest generation Bluetooth 5.0 with low consumption and long range. • Charging base with charge level indicator screen and magnetic closure. • Includes USB charging cable. Chip: 6976D Bluetooth: 5.0 Speaker: F13 Titanium Sensitivity: 90dB Frequency response: 20-20,000Hz Impedance: 32 ohms Transmission distance: up to 12 meters, without obstacles. Headphone battery: 30mAh Charging base battery: 300mAh, with overcharge protection plate. Base charging time: 2 hours Headphone charging time: 1 hour Usage time: about 3 hours. Profiles: HFP / A2DP / AVRCP. Input: DC5V