WJB Q16 Wireless Earbud

Specifications: Receiver sensitivity: 85dBm Bluetooth effective range ≥ 10 meters Rated power of horn: Rating 8mW Audio signal-to-noise ratio S/N: ≥ 90dB Effective frequency response: 50Hz~5KHz Built in battery: Lithium battery -3.7V, 40mAH Music time: Approximately 5 hours on a single full charge (80% volume) Talk time: Approximately 5 hours per full charge (80% volume) Charging time: approximately 1.2 hours Battery Case Capacity: 400mAh. Charging times for Bluetooth earphones: about 3 times Package includes: 1 x a Pair of earbuds 1 x Usb cable 1 x User manual 1 x Charging case