Drivers: 57mm Speaker
Transducer Type: Dynamic
Bluetooth Version: V4.1.
Frequency Variety: 2.4GHz-2.48 GHz.
Operating distance: as much as 10m (Free Area).
Bluetooth profiles: A2DP, AVRCP, HSP, HFP.
Frequency response: 20Hz-20kHz.
Level of sensitivity: 110dB.
Distortion: Music playtime: as much as 40 hours.
Talk time: as much as 45 hours.
Standby time: as much as 1625 hours.
Charging time: about 2 hours.
Functional temperature: -10 to 50 Â° C.
Package Consisted of:
1 x USB Charging Cable television.
1 x AUX Cable television.
1 x User Manual.