Product Features:
(1) Bluetooth V2.1+EDR
(2) Support HFP, A2DP, AVRCP
(3) Support 3~5 hours playback time
(4) Wireless transmission range up to 10m
(5) Support Line in
(6) Built in microphone for hands-free
(7) support TF card

Technical Specifications:
Power Supply: DC5V
Output Power: 3W(1KHz,THD10%)
Frequency: 150Hz-18KHz
Signal & Noise ratio: ≥80dB
Impedance: 4 OHM(Ω)
Li-ion Battery: 600mAh
Speaker Unit: 52mm
Case Material: Metal
Dimensions: 78*34 mm