Specs I. Earbuds Earbuds batteries: polymer lithium battery 50mAh Bluetooth® version: 5.0 Working voltage: 3.2V – 4.2V Bluetooth® frequency: 2.4 – 2.48GHz Bluetooth® distance: 10M Audio transmission format: A2DP I H FP / HSP / AVRCP Working time: 4-5 hours Stand-by time: 3 months II. Speaker / Charging case Charging case battery: polymer lithium battery 1500mAh Output Power: 3W Frequency Response: 20Hz-20KHz DC Charging current: I A DC charging voltage: DC SV Stand-by Time of Charging Compartment: 6 months

AUDIO STREAMING From speaker: once paired to your mobile device you can stream music through the speaker while controlling volume and track selection on your mobile device. From earbuds: with the music streaming app open on your mobile phone and after pairing with the earbuds, music will play on both earbuds. POWER BANK FUNCTION To use the built-in power bank simply connect the included charging cable into the USB port of the speaker and the other end to the charging port of your Android mobile device. For IOS, please use an MFI charging cable (not included) and connect the same way to charge your mobile device.