Specification:

Bluetooth version: Bluetooth V5.0

Support: HFPV1.2, A2DPV1.3, AVRCPV1.4, HSP1.6, GAVDP1.2, IOP

S/N: 96dB SNR stereo ADC and stereo DAC

Sensitivity: -80dBm<0.1%BER

Working distance: 10M

Working frequency: 2.4 -2.480GHZ

Transmission power: CLASS2，4dbm

Audio S/N: ≥75dB

Audio performance: SBC decoding

Battery: 3.7V/135mAH built-in rechargeable Li-on battery

Charging voltage: DC5V /60mA

Charging time: about 2.5hours

Working currency: 22mA

Standby currency: <500uA

Working temperature:-40ºC to +85ºC

Play time: about 6.5 hours

Talk time: about 6.5 hours

Standby time: about 100 hours

Speaker section:

Speaker dimension: φ10mm

Impedance: 32Ω

Sensitivity: 100db S.P.L at 1KHZ

Rated power: 3mW

Power capability: 30mW

Frequency response: 20Hz-20000Hz