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B20
B20
Speaker Size: 13 mm Frequency Response: 20 Hz-20 kHz Earphone Sensitivity: 102 dB @ -10 dBFS Mic. Sensitivity: -42 dB @1 kHz/Pa Bluetooth Version: v5.2 Operation Distance: 10 m Earphone Battery Type: Lithium Battery (40 mAh) Color: Grayish White, Ash Grey, Mint Green

Product Specification

Speaker Size: 13 mm Frequency Response: 20 Hz-20 kHz Earphone Sensitivity: 102 dB @ -10 dBFS Mic. Sensitivity: -42 dB @1 kHz/Pa Earphone Impedance: 32 ohm Bluetooth Version: v5.2 Operation Distance: 10 m Earphone Battery Type: Lithium Battery (40 mAh) Charging Case Battery Type: Lithium Battery (380 mAh) Charging Power: 5V=500mA Earphone Charging Time: <1.5H (Low Battery to Fully Charged) Case Charging Time: <1.5H (Low Battery to Fully Charged) Music Playtime with Single Charge: ≈5H (50% Volume Data) Playtime from Charging Case: ≈20H (50% Volume Data) Earphones weight: 4g Weight: 39g