Iwoo Wireless Bluetooth OEM Universal Stereo Headset Headphone Neckband Earbud , Red

Charging voltage: DC5V 150mAh

Working current: 25-35mA

Bluetooth A2DP Working range: 10m

Output power: 35mW

Frequency range: 2.401-2.480GHz

Distortion factor: ≤1%

Frequency response: 20Hz-20KHz

Working Time: Music/ HuaTong state 10 h

SNR: S/N≥95 Charging Time: 1h-2h Talk time: 8-15 hours, play time: 6-10 hours

Music Playing Time: up to 10 hours Frequency Response: 20 ~ 20000Hz

Sensitivity: 80dB

Impedance: 32 ohms

peaker Power: 2 x 18mW

Weight: 118g