Production introduction: TDS-G2 Bluetooth headset is a high-tech wireless headset, which is based on Bluetooth technology and designed to be used when driving cars. As a world famous brand, it is elegant and fashionable, enjoyable with clear sound flows, so tiny around your ear that it can free your hand in safe driving. With power as little as 0.001W, which keeps your brain from harming by mobile phone current radiation. Features: 1) Operation range: up to 10 2) Talking time: up to 6-9 hours 3) Standby time: 300 hours 4) Weight: about 12 grams 5) Switch on/off, LED indicating light, rechargeable, low capability indication Specifications: 1) Bluetooth protocol V1.2 2) Range: 10m 3) Size: 67.5 x 19.5mm 4) Point to point connection 5) Weight: 12g (including battery) 6) Talking time: 6 - 9 hours 7) Standby time: 300 hours 8) Charging time: 1.5 - 2 hours 9) Headset default PIN: 0000 10) Battery: rechargeable, lithium 120mAh 11) Charger: 5V DC 100-240V AC with adaptor 12) Used under temperature: -10 - 55°C 13) Storage temperature: -20 – 60°C Packing: Black plastic square crust 20sets/ctn Headsets weight: 12g Carton dimensions: 53 x 21.5 x 20cm N.W.: 4.53kg G.W.: 5.33kg