A4Tech 47456 Bloody TWS M70 Black/Blue

Type of the headset: In-ear Speaker size: 6 mm Number of channels:Stereo Frequency response: 20 Hz — 20 kHz Earphone sensitivity: 99 dB at -10 dBFS Mic. sensitivity: -42 dB at 1 kHz/Pa Earphone impedance: 16 ohm Bluetooth version: v5.2 Operation distance: 10 m Volume control: Yes Backlight: Yes Earphone battery type: Lithium battery (60 mAh) Charging case battery type: Lithium battery (400 mAh) Charging power: 5V=1A Earphone charging time: <1.5H (Low battery to fully charged) Case charging time: <2H (Low battery to fully charged) Music playtime with single charge: 6H Playtime from charging case: 24H Weight: Earphone: 9 g / Charging case: 47 g
Construction type In-ear Connection Wireless Frequency range 20Hz-20KHz Impedance 16 Ohms Sensitivity 99dB Built-in microphone Yes Wireless connection Bluetooth Color Black Weight Earphone: 9 g / Charging case: 47 g