DESCRIPTION
Specification:
Product Name: TWS cool Bluetooth headset;
Product model: t20s;
Bluetooth version: Bluetooth V5.0 + br+ EDR + ble;
Bluetooth protocol: A2DP avctp avdtp AVRCP HFP spp SMP;
Frequency range: 2402mhz-2480mhz;
Modulation mode: GFSK/ DQPSK;
max power output: +4dbm;
Crystal frequency: 24MHz;
CPU frequency: 96mhz;
Working voltage: DC 2.2v-5.5v;
Signal to noise ratio: > 92dB;
Effective distance: barrier free 10m;
Frequency response range: 20Hz-20KHz;
Sensitivity: 98dB;
Nominal impedance: 32Ω;
Transmission power: Class 2;
Battery capacity: 50mA;
Charging input: 5V/ 500mA;
Charging time: about 1 hour;
Service hours: 8 hours for calling, 5-8 hours for playing music;
Standby time: 10-15 days;
Body weight: About 3.5g;
Package included:
1* TWS Bluetooth Earphone with Charging Box;
1* USB Charging Cable
