Sudio A1 True Wireless Bluetooth Open-Ear Earbuds - Sienna

GENERAL Acoustic construction: Semi-open Driver type: Dynamic Buttons Product type: Speaker Microphone: 2 ENC Mics (1 per side) Product weight 35.8g Product dimensions (W * H * D) 55.2*25.5*47.2mm IPX level (Water resistance) IPX4 Vegan Yes SOUND Driver size: φ13mm*2 Frequency range: 20Hz -20kHz Impedance: 32Ω+/-10% Sensitivity: 118+/-3dB Speaker output gt;80dB Noise Isolation 3-5mW CONNECTIONS Wireless Chipset JLAD6973D Range (m) Bluetooth V5.3 Bluetooth codec 10 m Bluetooth profile SBC,AAC USB-contact type Type-C (USB-C) BATTERY Type: Lithium polymer cell Number of cells Earbuds: 2 Charging case: 1 Play time: 6-7H (50% of the volume) Stand By-time 120days Battery weight (g) 7.8g Battery dimensions Earbuds: 5*10*12mm Charging case: 8*14*35mm Earbuds: 40mAh Charging case: 400mAh Time to full charge (min) 1.5 H