タイトルまたは説明

specification:*6**5**0mm Weight:5g Color:black "Chip: ISSC Supporting edition:2.0/2.1+EDR Frequency range:2.4GHz*2.*8GHz Transmission power:class2 Transmission distance:*0M Operating voltage:3.6V Operating current:≤*5mA Standby current:≤2mA Working temperature:**0°C~*0°C No working temperature:**0°C~*0°C Charging temperature:0°C~*5°C Charging time:**3 hours Talking time:up 4 hours Standby time:**0 hours"