QAHM Y50 Wireless Earbud

Specifications: BT Version: 5.0 Transmitting Distance: up to 10m (no obstacle) Frequency Range: 20-20KHz Sensitivity: 98dB±3dB Impedance: 32Ω Charging Case Battery ty: 3.7V 450mAh Earbuds Battery ty (Each): 3.7V 55mAh Music Play Time: about 3 hours (depends on music volume) Color: Black, Black with White, Black with Blue, Black with Red, White, White with Black, White with Blue, White with Red (Optional) Earbud Weight: 10g Charging Box Size: 7.5*3.4*2.8cm Charging Box Weight: 32g Package Size: 13.0*8.5*3.5cm Package Weight: 65g Package List: 1 * Pair of Earbuds 1 * Charging Case 1 * Charging Cable 1 * User Manual (English)